Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5299590 | Sun shade structure | Linden K. Deibert | 1994-04-05 |
| 4969631 | Vehicle jack | — | 1990-11-13 |
| 4635904 | Vehicle jack | — | 1987-01-13 |
| 4473214 | Luffing jib for construction crane | Russell L. Sterner | 1984-09-25 |
| 4383616 | Luffing jib for construction crane | Russell L. Sterner | 1983-05-17 |