| Slot Machine |  The Operators Bell Owl | 1922 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | F.O.K. | 1923 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | Counter O.K. C.O.K. | 1924 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | F.O.K. Vender | 1925 | Mills Novelty Co. Chicago, IL, USA |
| Coin-op Misc. game | Automatic Punch Board | 1926 | Mills Novelty Co. Chicago, IL, USA |
| Trade Stimulator | Little Perfection | 1926 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | Mills Automatic Salesman | 1926 | Mills Novelty Co. Chicago, IL, USA |
| Trade Stimulator | Mills Puritan Fruit Reel | 1926 | Mills Novelty Co. Chicago, IL, USA |
| Trade Stimulator | Mills Puritan Number Reel | 1926 | Mills Novelty Co. Chicago, IL, USA |
| Trade Stimulator | New Target Practice | 1926 | Mills Novelty Co. Chicago, IL, USA |
| Trade Stimulator | Race Horse | 1926 | Mills Novelty Co. Chicago, IL, USA |
| Trade Stimulator | Race Horse Piano | 1926 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | Regular O.K. Mint Vender | 1926 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | The Operators Bell Bell Owl | 1926 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | The Operators Bell Vender | 1926 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | The Operators Bell Bullseye | 1926 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | Baseball | 1927 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | Wise Cracker | 1927 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | F.O.K. Vender Diamond Front | 1928 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | Jackpot Bell Torch Front | 1928 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | Jackpot Bell Torch Front Free Play | 1928 | Mills Novelty Co. Chicago, IL, USA |
| Trade Stimulator | New Jockey | 1928 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | Reserve Jackpot Bell Poinsettia | 1928 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | Simonia | 1928 | Mills Novelty Co. Chicago, IL, USA |
| Trade Stimulator | Target Practice Vender | 1928 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | Baseball Mint Vender | 1929 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | Baseball Vender Jackpot | 1929 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | Counter O.K. | 1929 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | Jackpot Bell Poinsettia | 1929 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | Jackpot Bell Poinsettia Free Play | 1929 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | Jackpot Bell Side Vender | 1929 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | F.O.K. Jackpot | 1930 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | Jackpot Bell Front Vender | 1930 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | Jackpot Bell Front Vender Free Play | 1930 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | Jackpot Bell Poinsettia Ball Gum Vender | 1930 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | The Operators Bell Free Play | 1930 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | Gooseneck Silent Jackpot Bell | 1931 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | Silent F.O.K. Jackpot Mint Vender | 1931 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | Silent Jackpot Bell War Eagle | 1931 | Mills Novelty Co. Chicago, IL, USA |
| Trade Stimulator | The Bell Boy | 1931 | Mills Novelty Co. Chicago, IL, USA |
