Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11105182 | Compact rotating jacking apparatus, for cementing casing in a bore providing rotating and reciprocal stroke motion to casing from surface, and other well tasks | CONRAD PETROWSKY | 2021-08-31 |
| D495283 | Vehicle step | Larry Wayne Ashley | 2004-08-31 |