Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10059573 | Double movable pulley load balancing hoist | Oliver W. Van Keuren, II | 2018-08-28 |
| 7798472 | Load balancing hoist | Oliver W. Vankeuren, II | 2010-09-21 |
| 6595104 | Pilot control for a hoist and balancing apparatus | — | 2003-07-22 |