Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D403904 | Office worksurface | Jay R. Machael, Dallas Calvelage | 1999-01-12 |
| 5209518 | Dual-stage tapered leaf spring for a trailer | DeWayne B. Williams, Robert J. Dooley | 1993-05-11 |