Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5653812 | Method and apparatus for deposition of diamond-like carbon coatings on drills | Rudolph Hugo Petrmichl, Ray Hays Venable, III, Rickey Leonard Salter | 1997-08-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5653812 | Method and apparatus for deposition of diamond-like carbon coatings on drills | Rudolph Hugo Petrmichl, Ray Hays Venable, III, Rickey Leonard Salter | 1997-08-05 |