Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8783133 | Seal protector assembly | — | 2014-07-22 |
| 8756784 | Seal protector assembly | Caleb G. Harmon, Edward J. Billings | 2014-06-24 |
| 8256444 | Check ball valve assembly with check ball guide | Constantin Dumitru | 2012-09-04 |