Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9073116 | Carbon foam metal matrix composite and mud pump employing same | Adrian Marica | 2015-07-07 |
| 6182945 | Redundant drawworks | Norman D. Dyer | 2001-02-06 |
| D316447 | Negative pressure air filtration housing | James C. Woodson, Ron W. Mumford | 1991-04-23 |