Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869303 | Firewood processor | Elmer C. Lusk | 1989-09-26 |
| 4834154 | Firewood processor | Elmer C. Lusk | 1989-05-30 |
| 4829865 | Firewood processor | Elmer C. Lusk | 1989-05-16 |
| 4830070 | Firewood processor | Elmer C. Lusk | 1989-05-16 |