Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4559660 | Aircraft loading ramp | — | 1985-12-24 |
| 4422554 | Mechanized retrievable horizontal storage rack | — | 1983-12-27 |
| 4333195 | Fire protective walkway apparatus | — | 1982-06-08 |
| 4290724 | Conveyor pan immobilizing assembly | Frederick D. Hock | 1981-09-22 |
| 4275979 | Conveyor pan immobilizing assembly | Frederick D. Hock | 1981-06-30 |