Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5009040 | Blade sharpener | — | 1991-04-23 |
| D305096 | Retractable blade knife | Wallace Tench, Christopher Collins, Gordon Bremmer | 1989-12-19 |
| D303921 | Utility knife or similar article | Alfred Blochlinger, Christopher Collins, Wallace Tench | 1989-10-10 |
| D303731 | Knife scabbard | Alfred Blochlinger, Christopher Collins, Wallace Tench | 1989-10-03 |
| 4862590 | Retractable blade knife | Frank L. Winyard, Gordon Bremner | 1989-09-05 |
| 4825544 | Scissors sharpener | — | 1989-05-02 |
| D298399 | Knife handle or similar article | Alfred Blochlinger, Christopher Collins, Wallace Tench | 1988-11-08 |
| D296498 | Knife scabbard or similar article | Christopher Collins, Wallace Tench, Alfred Blochlinger | 1988-07-05 |
| D295132 | Cutlery scabbard or similar article | Alfred Blochlinger, Christopher Collins, David E. Watson | 1988-04-12 |
| 4669337 | Knife sharpener | — | 1987-06-02 |