Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6904973 | Downhole pump | — | 2005-06-14 |
| 6543542 | Crude oil recovery system | — | 2003-04-08 |
| 6244842 | Pump | — | 2001-06-12 |
| 5916139 | Hydraulic system and pump | — | 1999-06-29 |
| 4887381 | Animal trap | — | 1989-12-19 |
| 4762473 | Pumping unit drive system | — | 1988-08-09 |
| 4699713 | Seed cleaner | — | 1987-10-13 |
| 4609131 | Seed dispensing device | — | 1986-09-02 |
| 4231190 | Remotely controlled gate opener | — | 1980-11-04 |