Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE35020 | Fiber optic load sensing device | — | 1995-08-15 |
| 5097934 | Coin sensing apparatus | — | 1992-03-24 |
| 5056884 | Fiber optic load sensing device | — | 1991-10-15 |
| 4947353 | Automatic vehicle detecting system | — | 1990-08-07 |
| 4845994 | Coin testing apparatus | — | 1989-07-11 |
| 4846332 | Counterfeit coin detector circuit | — | 1989-07-11 |