Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6170572 | Progressing cavity pump production tubing having permanent rotor bearings/core centering bearings | Michael James Everett, John Rogers | 2001-01-09 |
| 5807087 | Stator assembly for a progressing cavity pump | David C. Brandt | 1998-09-15 |
| 4201395 | Roller skate shoe toe guard | John K. Matejec, Jerry D. Lowry | 1980-05-06 |