Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5337877 | Coin validators | Richard Douglas Allan | 1994-08-16 |
| 5323891 | Coin testing apparatus | — | 1994-06-28 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5337877 | Coin validators | Richard Douglas Allan | 1994-08-16 |
| 5323891 | Coin testing apparatus | — | 1994-06-28 |