Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5259521 | Tack rack | Don T. Shaffer | 1993-11-09 |
| 4830069 | Woodworking machine | — | 1989-05-16 |
| 4798395 | Cycle apparatus having therapeutic and utility aspects | Don T. Shaffer | 1989-01-17 |
| 4619462 | Cycle apparatus having therapeutic and utility aspects | Don T. Shaffer | 1986-10-28 |