Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10739223 | Hydrostatic pressure test method and apparatus | Clifford Lee Hilpert, Jeffrey Hilpert, Lewis J. Dutel | 2020-08-11 |
| 10656063 | Pressure testing method and apparatus | Paul Russell Daley, Timothy O. Wiemers, Lewis J. Dutel | 2020-05-19 |