Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4996906 | Actuating assembly for hydraulic elevators | Jeff Newman | 1991-03-05 |
| 4484831 | Pipe or tube assembly utilizing a differential screw | Russell B. Hanson | 1984-11-27 |
| 4463663 | Hydraulic cylinder assembly with a liquid recovery system | Russell B. Hanson | 1984-08-07 |