Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6923457 | Hand truck convertible between forward and sideways displacement | — | 2005-08-02 |
| 5429170 | Operator for a sliding overhead door | — | 1995-07-04 |
| 5195390 | Precision linear mechanical drives | — | 1993-03-23 |
| 4821456 | Linear mechanical drive with precise end-of-travel load positioning | — | 1989-04-18 |
| 4310144 | Valve drive means for backwash filter valves | — | 1982-01-12 |