Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4666027 | Coin validation apparatus and method for detecting stringing of coins and distinguishing valid tokens or coins from slugs | Lawrence M. Briski | 1987-05-19 |
| 4441602 | Electronic coin verification mechanism | Lawrence M. Briski | 1984-04-10 |