Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D295104 | Lever-operated hoist or puller | — | 1988-04-05 |
| 4576363 | Lever-operated hoist or puller | — | 1986-03-18 |
| 4520247 | Pendant type electrical switching device | Otmar M. Ulbing | 1985-05-28 |