Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D303921 | Utility knife or similar article | Christopher Collins, Cvetan Petroff, Wallace Tench | 1989-10-10 |
| D303731 | Knife scabbard | Christopher Collins, Cvetan Petroff, Wallace Tench | 1989-10-03 |