Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE33242 | Device for releasably securing a vehicle to an adjacent support | Norbert Hahn | 1990-06-26 |
| 4472099 | Releasable locking device | Norbert Hahn | 1984-09-18 |
| 4443150 | Releasable locking device | Norbert Hahn, Michael A. Swessel | 1984-04-17 |
| 4379354 | Releasable locking device | Norbert Hahn | 1983-04-12 |
| 4373847 | Releasable locking device | Norbert Hahn | 1983-02-15 |
| 4267748 | Releasable lock mechanism | Lynn O. Grunewald | 1981-05-19 |
| 4264259 | Releasable locking device | — | 1981-04-28 |
| 4257137 | Dock leveler | Richard C. Wilde | 1981-03-24 |
| 4208161 | Device for releasably securing a vehicle to an adjacent support | Norbert Hahn | 1980-06-17 |