Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5524968 | Golf chair for the handicapped | — | 1996-06-11 |
| 4603578 | Side entry sub with tension release wireline cable clamp | — | 1986-08-05 |
| 4506729 | Drill string sub with self closing cable port valve | Albert P. Davis, Jr., Orien M. Knight | 1985-03-26 |