Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875530 | Automatic drilling system | Tommy S. Frink, Lowell M. Reed, Will L. McNair | 1989-10-24 |
| 4861241 | Valve guide bracket | Gerardo Gamboa | 1989-08-29 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875530 | Automatic drilling system | Tommy S. Frink, Lowell M. Reed, Will L. McNair | 1989-10-24 |
| 4861241 | Valve guide bracket | Gerardo Gamboa | 1989-08-29 |