Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5183089 | Chipper knife assembly | Ralph A. Thompson | 1993-02-02 |
| 5076510 | Automatically retractable thread bobbin | — | 1991-12-31 |
| 5074092 | Laminated wood product | — | 1991-12-24 |
| 4544145 | Vise for small objects | — | 1985-10-01 |