Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5647470 | Tamper resistant coin race | David C. Bugge | 1997-07-15 |
| 5634544 | Coin counting and escrow system | David C. Bugge | 1997-06-03 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5647470 | Tamper resistant coin race | David C. Bugge | 1997-07-15 |
| 5634544 | Coin counting and escrow system | David C. Bugge | 1997-06-03 |