Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5172702 | Disposable spring-loaded soft tissue biopsy apparatus | Harold G. Leigh, Hugh Bourassa | 1992-12-22 |
| 5036860 | Disposable soft tissue biopsy apparatus | Harold G. Leigh, Hugh Bourassa | 1991-08-06 |
| 4593497 | Abrasive seal recovery system | Philip H. Diehn | 1986-06-10 |
| 4529340 | Drilling method and apparatus | — | 1985-07-16 |