Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6148987 | Coin identification apparatus | Stephen G. Fraser, Richard O. Juengel | 2000-11-21 |
| 6015037 | Coin identification apparatus | Stephen G. Fraser, Richard O. Juengel | 2000-01-18 |
| 5799768 | Coin identification apparatus | Stephen G. Fraser, Richard O. Juengel | 1998-09-01 |
| 4693419 | Automatic control apparatus and method for sprinkling water over a predetermined area | Marvin H. Weintraub, Larry Cameron | 1987-09-15 |