Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4576386 | Anti-extrusion back-up ring assembly | Alan M. Benson, John D. Mawer | 1986-03-18 |
| 4550499 | String trimmer with cut line retention pocket | — | 1985-11-05 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4576386 | Anti-extrusion back-up ring assembly | Alan M. Benson, John D. Mawer | 1986-03-18 |
| 4550499 | String trimmer with cut line retention pocket | — | 1985-11-05 |