Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5616026 | Orthondontic appliance and method of making the same | — | 1997-04-01 |
| 4514621 | Firing range | Lindsay C. Knight, Duncan Stewart, Robert A. Cottis, William H. Bowyer, Robert C. Newnham +2 more | 1985-04-30 |
| 4425500 | Firing range | Lindsay C. Knight, Duncan Stewart, Robert A. Cottis, William H. Bowyer, Robert C. Newnham +2 more | 1984-01-10 |
| 4305278 | Abrasion testing | Duncan Stewart, Gwilym I. Williams, Nicholas D. Anstey | 1981-12-15 |
| 4282453 | Transducer apparatus for detecting airborne pressure pulse | Lindsay C. Knight, Duncan Stewart, Robert A. Cottis, William H. Bowyer, Robert C. Newnham +2 more | 1981-08-04 |
| 4281241 | Firing range | Lindsay C. Knight, Duncan Stewart, Robert A. Cottis, William H. Bowyer, Robert C. Newnham +2 more | 1981-07-28 |