Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6886447 | Hatch assembly | Jeffrey L. Crotty | 2005-05-03 |
| 5613314 | Collapsible billboard sign | Clifford W. Leverenz, Jamshed R. Cooper, Jehangir E. Rudina, Steven C. Larson | 1997-03-25 |