Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8205672 | Acid tunneling bottom hole assembly and method utilizing reversible knuckle joints | John Misselbrook, Lance Portman | 2012-06-26 |
| 7870902 | Methods for allowing multiple fractures to be formed in a subterranean formation from an open hole well | John Misselbrook, David Ross, Harold Dean Brannon | 2011-01-18 |
| 6712150 | Partial coil-in-coil tubing | John Misselbrook, Richard A. Altman, William Gavin | 2004-03-30 |
| 5718291 | Downhole disconnect tool | George M. Lorgen, Malcolm D. Pitman | 1998-02-17 |