Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4830069 | Woodworking machine | — | 1989-05-16 |
| 4798395 | Cycle apparatus having therapeutic and utility aspects | Don T. Shaffer | 1989-01-17 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4830069 | Woodworking machine | — | 1989-05-16 |
| 4798395 | Cycle apparatus having therapeutic and utility aspects | Don T. Shaffer | 1989-01-17 |