Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4541584 | Cable winding apparatus | — | 1985-09-17 |
| 4493463 | Cable winding apparatus | — | 1985-01-15 |
| 4423560 | Auxiliary support for heavy equipment | Emanuel Helm | 1984-01-03 |
| 4217971 | Rotating powered step | — | 1980-08-19 |