Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5684597 | Method and device for coin diameter discrimination | Robin C. Hossfield, Christopher Ferguson, J. Scott Petty, William J. Quandt | 1997-11-04 |
| 5404986 | Method and apparatus for discriminating and collecting coins | Robin C. Hossfield, Christopher Ferguson, J. Scott Petty, William J. Quandt | 1995-04-11 |