Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7730974 | Self actuating underreamer | — | 2010-06-08 |
| 7237625 | Device for simulataneously casing a hole while drilling | Brian Richard Minshull | 2007-07-03 |
| 4887386 | Fluid manifold | — | 1989-12-19 |