Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9458701 | Vocal drilling alarm notification | John Gibb, Son V. Pham | 2016-10-04 |
| 7350600 | Shirttails for reducing damaging effects of cuttings | Christopher C. Beuershausen, Ronald Hales, Don Q. Nguyen, Gregory L. Ricks, Chih Lin +6 more | 2008-04-01 |
| 7182162 | Shirttails for reducing damaging effects of cuttings | Christopher C. Beuershausen, Ronald Hales, Don Q. Nguyen, Gregory L. Ricks, Chih Lin +6 more | 2007-02-27 |
| 7152703 | Compact for earth boring bit with asymmetrical flanks and shoulders | Matthew J. Meiners, Jimmy W. Eason | 2006-12-26 |