Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5957445 | Ergonomic workholder with positional control | Erland L. Hagman | 1999-09-28 |
| D337553 | Occupant-propelled vehicle | David T. Valentine | 1993-07-20 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5957445 | Ergonomic workholder with positional control | Erland L. Hagman | 1999-09-28 |
| D337553 | Occupant-propelled vehicle | David T. Valentine | 1993-07-20 |