Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4457069 | Sharpening device for a chain saw | — | 1984-07-03 |
| 4411069 | Spoolless string trimmer head | Winton Oster | 1983-10-25 |
| 4335510 | String trimmer | Winton Oster | 1982-06-22 |
| 4231591 | Automatic retractor inhibitor | — | 1980-11-04 |
| 4220355 | Cam guide for passive shoulder harness | Cyril Henderson, William Hollowell | 1980-09-02 |
| 4209186 | Lock-up inhibitor for door mounted retractor | — | 1980-06-24 |