| Slot Machine |  O.K. Counter Vender Model 53 | 1920 | Watling Mfg. Co. Chicago, IL, USA |
| Slot Machine | O.K. Gum Trade and Check Vending Machine Model 101 | 1920 | Silver King Novelty Co. Indianapolis, IN, USA |
| Slot Machine | O.K. Jackpot | 1920 | Watling Mfg. Co. Chicago, IL, USA |
| Slot Machine | O.K. Jackpot Gum Vender Model 55 | 1920 | Watling Mfg. Co. Chicago, IL, USA |
| Gun game | Pistol Range | 1920 | Fey & Co., Charles San Francisco, CA, USA |
| Slot Machine | Rigoletto | 1920 | Jentzsch & Meerz, Max Leipzig, Germany |
| Trade Stimulator | Silent Salesman | 1920 | Keystone Novelty & Mfg. Co. Philadelphia, PA, USA |
| Trade Stimulator | Silent Salesman | 1920 | Silver King Novelty Co. Indianapolis, IN, USA |
| Trade Stimulator | Skill Roll | 1920 | Sherman & Fey Mfg. Co. Chicago, IL, USA |
| Trade Stimulator | Skill Roll Gum Vendor | 1920 | Sherman & Fey Mfg. Co. Chicago, IL, USA |
| Trade Stimulator | Target Practice | 1920 | Mills Novelty Co. Chicago, IL, USA |
| Allwin | The Allwin De Luxe | 1920 | Jentzsch & Meerz, Max Leipzig, Germany |
| Slot Machine | The Operators Bell Spearmint | 1920 | Mills Novelty Co. Chicago, IL, USA |
| Strength Tester | The Perfect Muscle Developer | 1920 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | Victory Bell | 1920 | Caille Bros. Co., The Detroit, MI, USA |
| Slot Machine | Victory Bell Gum Vender | 1920 | Caille Bros. Co., The Detroit, MI, USA |
| Coin-op Misc. game | Wupptich | 1920 | Jentzsch & Meerz, Max Leipzig, Germany |
| Coin-op Misc. game | Full Team Football | 1921 | Full Team Football Co. London, England |
| Gun game | L'Éclair | 1921 | Loubet, L. La Garenne, France |
| Trade Stimulator | Novelty Gem | 1921 | Gatter Novelty Co. Philadelphia, PA, USA |
| Slot Machine | O.K. Vender | 1921 | Mills Novelty Co. Chicago, IL, USA |
| Redemption mechanical game | Target | 1921 | Royal Novelty Co. Indianapolis, IN, USA |
| Coin-op Misc. game | 22-Man Football | 1922 | Smith, Gordon H. UK |
| Slot Machine | Counter O.K. Vender | 1922 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | Counter Totalizer | 1922 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | Gooseneck | 1922 | Service Novelty Co. |
| Trade Stimulator | Handicap | 1922 | Löwen Automaten Bingen, Germany |
| Gun game | Le Rapid | 1922 | Unknown |
| Trade Stimulator | Leader | 1922 | Banner Specialty Co. PA, USA |
| Trade Stimulator | Little Winner | 1922 | Acme Sales Co. OH, USA |
| Slot Machine | Mills O.K. Mint and Gum Vender | 1922 | Mills Novelty Co. Chicago, IL, USA |
| Trade Stimulator | New Star | 1922 | Griswold Mfg. Co. Rock Island, IL, USA |
| Slot Machine | O.K. Mint Vender | 1922 | Silver King Novelty Co. Indianapolis, IN, USA |
| Slot Machine | Operators Bell | 1922 | Jennings & Co., O.D. Chicago, IL, USA |
| Slot Machine | Operators Bell | 1922 | Fey & Co., Charles San Francisco, CA, USA |
| Trade Stimulator | Our Leader | 1922 | Knight Novelty Co. Cliftondale, MA, USA |
| Slot Machine | Regular O.K. | 1922 | Mills Novelty Co. Chicago, IL, USA |
| Coin-op Misc. game | The Knockout | 1922 | London Automatic Machine Co., Ltd. London, England |
| Slot Machine | The Operators Bell Owl | 1922 | Mills Novelty Co. Chicago, IL, USA |
| Trade Stimulator | The Target | 1922 | Silver King Novelty Co. Indianapolis, IN, USA |
