Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4503389 | Portable DC device for verifying absence of voltage in high-tension AC conductors | — | 1985-03-05 |
| D276467 | Interfitting ladder | — | 1984-11-20 |
| 4466599 | Lifting device, in particular, a tackle block | — | 1984-08-21 |
| 4332372 | Hoisting device | — | 1982-06-01 |
| 4264056 | Hoisting device, particularly a block | — | 1981-04-28 |