Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4702200 | Livestock head holder | — | 1987-10-27 |
| 4584910 | Grinding machine for cutters in saw chain | — | 1986-04-29 |
| 4559851 | Saw chain grinder | — | 1985-12-24 |
| 4539871 | Saw chain sharpener | — | 1985-09-10 |
| 4370905 | Chain tooth locator | — | 1983-02-01 |
| 4286788 | Mechanical roping steer | William E. Ray | 1981-09-01 |
| 4254673 | Saw mounted saw chain sharpener | — | 1981-03-10 |
| 4235131 | Depth gauge grinding attachment for saw chain sharpener | — | 1980-11-25 |