Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4557390 | Suspended counterweight control system | — | 1985-12-10 |
| 4555032 | Heavy lift crane | Marvin L. Wolf | 1985-11-26 |
| 4519468 | Steerable carrousel supported walking beam vehicle | — | 1985-05-28 |