Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6279658 | Method of forming and servicing wellbores from a main wellbore | Joseph F. Donovan, Christopher L. Gann, Michael H. Johnson | 2001-08-28 |
| 6088294 | Drilling system with an acoustic measurement-while-driving system for determining parameters of interest and controlling the drilling direction | James V. Leggett, III, Vladimir Dubinsky, John W. Harrell, William Thomas Balogh, Paul Seaton +1 more | 2000-07-11 |
| 4653318 | Electronic stator measurement device | Reese Jadwin, Franklin L. Schulte, Sheldon Rubin | 1987-03-31 |
| 4387774 | Time recorder for in-hole motors | — | 1983-06-14 |