Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5477952 | Retrofittable universal secure activity-reporting electronic coin tracker for coin-operated machines, particularly for detecting embezzlement of monies collected by video games | Lawrence M. Hermansen, Alexander MCKAY | 1995-12-26 |