Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D274337 | Change counting machine | Warren Austin | 1984-06-19 |
| 4442850 | Coin counter | Warren Austin | 1984-04-17 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D274337 | Change counting machine | Warren Austin | 1984-06-19 |
| 4442850 | Coin counter | Warren Austin | 1984-04-17 |