Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D319854 | Patella exerciser | — | 1991-09-10 |
| 4374592 | Vehicle transporter | David Scott Johnson | 1983-02-22 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D319854 | Patella exerciser | — | 1991-09-10 |
| 4374592 | Vehicle transporter | David Scott Johnson | 1983-02-22 |