Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5322428 | Gear transfer pump with lubrication and sealing of the driveshaft and idler pin | Steven D. McMahon | 1994-06-21 |
| 5197869 | Rotary gear transfer pump having pressure balancing lubrication, bearing and mounting means | Steven D. McMahon | 1993-03-30 |
| 5180297 | Fluid transfer pump with shaft seal structure | Steven D. McMahon | 1993-01-19 |