Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5613314 | Collapsible billboard sign | Clifford W. Leverenz, Jamshed R. Cooper, Stephen Sohm, Jehangir E. Rudina | 1997-03-25 | $18,008,000 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5613314 | Collapsible billboard sign | Clifford W. Leverenz, Jamshed R. Cooper, Stephen Sohm, Jehangir E. Rudina | 1997-03-25 | $18,008,000 |