Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5023451 | Indicia contrast enhancement for vehicle borne infrared vision system | — | 1991-06-11 |
| 5001558 | Night vision system with color video camera | Richard J. Sweet | 1991-03-19 |
| 4429669 | Valved prechamber diesel engine and method of operating | — | 1984-02-07 |
| 4406260 | Valved prechamber diesel engine and methods of operating | — | 1983-09-27 |