Most Recently Added Slot Machine Patents
| Year | Pat. № | Patentee | Description | Added |
|---|---|---|---|---|
| 1968 | Latest Patents | Mayfield Electronics Ltd. | Payout dice throwing machine | 12/10/19 |
| 1902 | Latest Patents | New Polyphon Supply Co. Ltd. & K Schmidt | Electric shocker | 08/10/19 |
| 1954 | Latest Patents | Robert Stevens | Auto-pay dice game | 03/10/19 |
| 1935 | Latest Patents | Mills Novelty Co. | Basis for Mills Dice auto-pay craps game | 02/10/19 |
| 1941 | Latest Patents | Clement Garrett & Co. Ltd. & Leonard West | Improvements to coin-freed mechanism | 19/09/19 |
| 1942 | Latest Patents | Clement Garrett & Co. Ltd. | Improved vending machine | 19/09/19 |
| 1940 | Latest Patents | Clement Garrett & Co. Ltd. | Improvements for delivering tickets etc. | 19/09/19 |
| 1930 | Latest Patents | Julian Clement Garrett | Improvements to coin-freed mechanism | 19/09/19 |
| 1901 | Latest Patents | Clement Garrett | Improvements in money tills | 19/09/19 |
| 1935 | Latest Patents | Claude R Kirk, John F Meyer | Deliver device for crane (Merchantman) | 14/08/19 |
| 1927 | Latest Patents | Charles John Jacobs | Pneumatic two player football | 07/04/19 |
| 1938 | Latest Patents | Joze Allen, James E Johnson | Mysterious Eye payout dice | 15/03/19 |
| 1911 | Latest Patents | Automatiques Bussoz | Paris Courses | 03/01/19 |
| 1914 | Latest Patents | Automatiques Bussoz | Roulette Visible | 01/01/19 |
| 1935 | Latest Patents | Percy Stephen Harper | Coin-freed machine (US pat) | 20/11/18 |
| 1931 | Latest Patents | George Salter & Co Ltd & Edward Robert Rogers | Combined weighing & vending machine | 04/11/18 |
| 1931 | Latest Patents | George Salter & Co Ltd & Edward Robert Rogers | Combined weighing & vending machine | 04/11/18 |
| 1931 | Latest Patents | George Salter & Co Ltd & Thomas William Bache | Coin-freed machines and the like | 04/11/18 |
| 1931 | Latest Patents | Thomas Frederick Caldwell | Coin-freed mechanism | 04/11/18 |
| 1930 | Latest Patents | Thomas Frederick Caldwell | Coin-freed mechanism | 04/11/18 |
| 1934 | Latest Patents | George Salter & Co Ltd & Thomas Frederick Caldwell | Coin-freed vending | 04/11/18 |
| 1933 | Latest Patents | George Salter & Co Ltd & Thomas Frederick Caldwell | Coin-freed vending machines | 04/11/18 |
| 1933 | Latest Patents | Thomas Frederick Caldwell | Coin-freed mechanism | 04/11/18 |
| 1933 | Latest Patents | Percy Stephen Harper | Coin acceptor for vending (Austrian pat.) | 03/11/18 |
| 1932 | Latest Patents | Percy Stephen Harper | Magnetic coin detector mechanism (Canadian pat.) | 03/11/18 |
| 1936 | Latest Patents | Percy Stephen Harper | Apparatus for vending from stack (German pat.) | 03/11/18 |
| 1936 | Latest Patents | Percy Stephen Harper | Coin tester (German pat.) | 03/11/18 |
| 1935 | Latest Patents | Percy Stephen Harper | Coin tester (Danish pat.) | 03/11/18 |
| 1935 | Latest Patents | Percy Stephen Harper | Coin-release delivery mechanism (Danish pat) | 03/11/18 |
| 1935 | Latest Patents | Percy Stephen Harper | Delivery arrangements for coin-freed vending | 03/11/18 |
| 1930 | Latest Patents | Percy Stephen Harper | Coin-freed vending | 03/11/18 |
| 1930 | Latest Patents | Percy Stephen Harper | Coin-freed vending | 03/11/18 |
| 1930 | Latest Patents | Percy Stephen Harper | Coin-freed vending | 03/11/18 |
| 1939 | Latest Patents | Percy Stephen Harper | Coin gauging and selecting mechanism | 03/11/18 |
| 1938 | Latest Patents | Percy Stephen Harper | Coin-slot blocking devices for vending machines | 03/11/18 |
| 1930 | Latest Patents | Percy Stephen Harper | Drawers for automatic vending | 03/11/18 |
| 1930 | Latest Patents | Percy Stephen Harper | Drawer controlling for coin-freed machines | 03/11/18 |
| 1943 | Latest Patents | Percy Stephen Harper & Harper Automatic Machine Manufacturing Co. Ltd | Coin-freed mechanism | 03/11/18 |
| 1938 | Latest Patents | Percy Stephen Harper | Goods ejecting mechanism for coin freed vending | 03/11/18 |
| 1933 | Latest Patents | Percy Stephen Harper | Magnetic coin detector | 03/11/18 |
| 1933 | Latest Patents | Percy Stephen Harper & Thomas Frederick Caldwell | Multiple drawer coin-freed vending | 03/11/18 |
| 1931 | Latest Patents | Percy Stephen Harper | Coin-freed apparatus | 03/11/18 |
| 1942 | Latest Patents | Percy Stephen Harper & Harper Automatic Machine Manufacturing Co. Ltd | Coin-controlled vending | 03/11/18 |
| 1933 | Latest Patents | Percy Stephen Harper & Thomas Frederick Caldwell | Delivering postage stamps, tickets and the like | 03/11/18 |
| 1933 | Latest Patents | Percy Stephen Harper | Coin-freed vending of postage stamps, tickets and the like | 03/11/18 |
| 1944 | Latest Patents | Percy Stephen Harper & Harper Automatic Machine Manufacturing Co. Ltd | Coin-controlled vending | 03/11/18 |
| 1930 | Latest Patents | Percy Stephen Harper | Drawer release mechanism for coin-freed vending | 03/11/18 |
| 1933 | Latest Patents | Percy Stephen Harper | Magnetic coin-separating devices | 03/11/18 |
| 1933 | Latest Patents | Percy Stephen Harper | Apparatus for testing coins and the like by weight | 03/11/18 |
| 1941 | Latest Patents | Percy Stephen Harper & Harper Automatic Machine Manufacturing Co. Ltd | Coin-freed mechanism | 03/11/18 |
| 1931 | Latest Patents | Percy Stephen Harper | Coin-selecting mechanism for vending | 03/11/18 |
| 1944 | Latest Patents | Percy Stephen Harper & Harper Automatic Machine Manufacturing Co. Ltd | Coin-operated electric switch | 03/11/18 |
| 1940 | Latest Patents | Percy Stephen Harper & Harper Automatic Machine Manufacturing Co. Ltd | Improvements in coin-freed vending | 03/11/18 |
| 1944 | Latest Patents | Percy Stephen Harper & Harper Automatic Machine Manufacturing Co. Ltd | Coin-controlled machines | 03/11/18 |
| 1944 | Latest Patents | Percy Stephen Harper & Harper Automatic Machine Manufacturing Co. Ltd | Electro-magnetic delay-action switch | 03/11/18 |
| 1931 | Latest Patents | Percy Stephen Harper | Drawer-release mechanism for coin-freed vending | 03/11/18 |
| 1933 | Latest Patents | Percy Stephen Harper | Devices for testing coins, discs and tokens by weight | 03/11/18 |
| 1933 | Latest Patents | Percy Stephen Harper | Improvements in coin-freed vending | 03/11/18 |
| 1933 | Latest Patents | Percy Stephen Harper | Improvements in coin-freed vending | 03/11/18 |
| 1934 | Latest Patents | Percy Stephen Harper & Thomas Frederick Caldwell | Multiple door or drawer coin-freed vending | 03/11/18 |
| 1932 | Latest Patents | Percy Stephen Harper | Improvements in coin-freed mechanism | 03/11/18 |
| 1931 | Latest Patents | Percy Stephen Harper | Coin-freed mechanism for packet carriers of vending machines | 03/11/18 |
| 1930 | Latest Patents | Percy Stephen Harper | Coin-freed mechanism for automatic delivery | 03/11/18 |
| 1937 | Latest Patents | Percy Stephen Harper | Drawer locking and release for coin freed vending | 03/11/18 |
| 1933 | Latest Patents | Percy Stephen Harper | Magnetic coin selector | 03/11/18 |
| 1938 | Latest Patents | Percy Stephen Harper | Coin gauging and selecting mechanism | 03/11/18 |
| 1938 | Latest Patents | Percy Stephen Harper | Improvements in coin testing devices | 03/11/18 |
| 1935 | Latest Patents | Percy Stephen Harper | Improvements in coin-freed mechanism for automatic delivery | 03/11/18 |
| 1935 | Latest Patents | Percy Stephen Harper | Improvements in coin-freed mechanism for automatic delivery | 03/11/18 |
| 1935 | Latest Patents | Percy Stephen Harper | Coin selecting and testing mechanism | 03/11/18 |
| 1930 | Latest Patents | Percy Stephen Harper | Improvements in coin-freed mechanism for vending | 03/11/18 |
| 1932 | Latest Patents | Percy Stephen Harper | Improvements in magnetic coin detector mechanism | 03/11/18 |
| 1937 | Latest Patents | Percy Stephen Harper | Improvements to coin freed vending machines | 03/11/18 |
| 1937 | Latest Patents | Percy Stephen Harper | Improvements to coin freed vending machines | 03/11/18 |
| 1939 | Latest Patents | Percy Stephen Harper | Coin acceptors | 03/11/18 |
| 1929 | Latest Patents | Percy Stephen Harper | Coin-selecting mechanism for coinfreed vending machines | 03/11/18 |
| 1906 | Latest Patents | Edward Charles Bignell & George Haydon | Coin-op bagatelle | 19/03/18 |
| 1904 | Latest Patents | George Haydon & Edward Charles Bignell | Gambling with dial (Abel Nau - Le Phenix) - French patent | 19/03/18 |
| 1902 | Latest Patents | George Haydon & Agnes Mouflet | Impovement in tills | 19/03/18 |
| 1901 | Latest Patents | George Haydon | Tivoli with balls | 19/03/18 |
| 1900 | Latest Patents | Thomas Owen Baylis & George Haydon | Improvements in Coin Freed Goods Delivery Apparatus | 19/03/18 |
| 1894 | Latest Patents | J R Hughes & George Haydon | Coin released mechanism | 19/03/18 |
| 1904 | Latest Patents | Haydon & Urry | Blowball - French patent | 19/03/18 |
| 1901 | Latest Patents | Automatic Machines Ltd. Haydon & Urry | Tivoli type (Criterion) | 19/03/18 |
| 1901 | Latest Patents | Haydon & Urry | Cinematograph (not coin-op) | 19/03/18 |
| 1900 | Latest Patents | Haydon & Urry | Tivoli | 19/03/18 |
| 1899 | Latest Patents | Haydon & Urry | Coin freed winding mechanism for polyphons etc. | 19/03/18 |
| 1896 | Latest Patents | Haydon & Urry | Tivoli dispenser mechanism - Swiss patent | 19/03/18 |
| 1895 | Latest Patents | Haydon & Urry | Skill game (Over the Barrels) - Swiss patent | 19/03/18 |
| 1916 | Latest Patents | John Jofeh | Tug of War, two player wall machine | 12/01/18 |
| 1902 | Latest Patents | John Jofeh | Bagatelle type | 12/01/18 |
| 1902 | Latest Patents | John Jofeh | Hill Climber spirometer | 12/01/18 |
| 1901 | Latest Patents | Gustav Ringelhan | Circular race with figures (not coin-op) | 12/01/18 |
| 1901 | Latest Patents | Simon Daly | Cycle racing game | 12/01/18 |
| 1902 | Latest Patents | John Henry Peters | Racing figure mechanism | 12/01/18 |
| 1902 | Latest Patents | Dward Gustave Lindheimer | Coin operated coat & hat rack | 12/01/18 |
| 1903 | Latest Patents | Robert H Hartley | Recording force of blow | 12/01/18 |
| 1901 | Latest Patents | Alexander Forbes | Game using coin as missile | 12/01/18 |
| 1901 | Latest Patents | Alexander Forbes | Game using coin as missile | 12/01/18 |
| 1901 | Latest Patents | Abraham Levy | Haydon & Urry Tivoli | 12/01/18 |
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