| Slot Machine |  Mills Owl and Judge Twins Mixed Double | 1904 | Mills Novelty Co. Chicago, IL, USA |
| Trade Stimulator | Mills Puritan | 1904 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | Mills Roulette Improved model | 1904 | Mills Novelty Co. Chicago, IL, USA |
| Trade Stimulator | Mills Superior | 1904 | Mills Novelty Co. Chicago, IL, USA |
| Trade Stimulator | Native Son | 1904 | Mills Novelty Co. Chicago, IL, USA |
| Strength Tester | New Lifter | 1904 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | On the Square Improved model | 1904 | Mills Novelty Co. Chicago, IL, USA |
| Trade Stimulator | Peerless California Jack | 1904 | Mills Novelty Co. Chicago, IL, USA |
| Strength Tester | Pneumatic Punching Machine | 1904 | Mills Novelty Co. Chicago, IL, USA |
| Trade Stimulator | Sentry | 1904 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | The Dewey Check Improved model | 1904 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | The Dewey Check Musical Improved model | 1904 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | The Dewey Improved model | 1904 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | The Dewey Musical Improved model | 1904 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | The Judge Improved model | 1904 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | The Mills Chicago Check Improved model | 1904 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | The Mills Chicago Check Musical Improved model | 1904 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | The Mills Duplex Improved model | 1904 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | The Owl Jr. Improved model | 1904 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | The Owl 1904 model | 1904 | Mills Novelty Co. Chicago, IL, USA |
| Trade Stimulator | The Peerless | 1904 | Mills Novelty Co. Chicago, IL, USA |
| Strength Tester | Balloon Lung Tester | 1905 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | Big Six Arrow Dial | 1905 | Mills Novelty Co. Chicago, IL, USA |
| Strength Tester | Dumb Bell Lifter Owl Lifter | 1905 | Mills Novelty Co. Chicago, IL, USA |
| Strength Tester | Electric Chimes Grip and Lung Tester | 1905 | Mills Novelty Co. Chicago, IL, USA |
| Trade Stimulator | Elk | 1905 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | Fair Play | 1905 | Mills Novelty Co. Chicago, IL, USA |
| Strength Tester | Grip and Lung Tester | 1905 | Mills Novelty Co. Chicago, IL, USA |
| Strength Tester | High Ball Lung Tester | 1905 | Mills Novelty Co. Chicago, IL, USA |
| Trade Stimulator | Mills Little Gem | 1905 | Mills Novelty Co. Chicago, IL, USA |
| Strength Tester | New Electric Chimes Lifter | 1905 | Mills Novelty Co. Chicago, IL, USA |
| Strength Tester | New Lifter Alt. model? | 1905 | Mills Novelty Co. Chicago, IL, USA |
| Strength Tester | New Searchlight Lifter | 1905 | Mills Novelty Co. Chicago, IL, USA |
| Strength Tester | Rubber-Neck Lung Tester | 1905 | Mills Novelty Co. Chicago, IL, USA |
| Strength Tester | Searchlight Grip and Lung Tester | 1905 | Mills Novelty Co. Chicago, IL, USA |
| Trade Stimulator | Special | 1905 | Mills Novelty Co. Chicago, IL, USA |
| Strength Tester | Submarine Lung Tester | 1905 | Mills Novelty Co. Chicago, IL, USA |
| Strength Tester | Weight Blower | 1905 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | Big Six Jackpot | 1906 | Mills Novelty Co. Chicago, IL, USA |
| Trade Stimulator | Elk Special | 1906 | Mills Novelty Co. Chicago, IL, USA |
