Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4514621 | Firing range | Lindsay C. Knight, David A. Cash, Duncan Stewart, Robert A. Cottis, William H. Bowyer +2 more | 1985-04-30 |
| 4425500 | Firing range | Lindsay C. Knight, David A. Cash, Duncan Stewart, Robert A. Cottis, William H. Bowyer +2 more | 1984-01-10 |
| 4282453 | Transducer apparatus for detecting airborne pressure pulse | Lindsay C. Knight, David A. Cash, Duncan Stewart, Robert A. Cottis, William H. Bowyer +2 more | 1981-08-04 |
| 4281241 | Firing range | Lindsay C. Knight, David A. Cash, Duncan Stewart, Robert A. Cottis, William H. Bowyer +2 more | 1981-07-28 |
| 4261579 | Shock wave triggered target indicating system | William H. Bowyer | 1981-04-14 |