Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9353752 | Compliant abrasion resistant bearings for a submersible well pump | Steven K. Tetzlaff, Dewayne May | 2016-05-31 |
| 7144549 | Biocide impregnation of coatings for ESP components | — | 2006-12-05 |