Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4576254 | Hydraulically actuated slip assembly | — | 1986-03-18 |
| 4515220 | Apparatus and method for rotating coil tubing in a well | Phillip S. Sizer, Malcolm N. Council | 1985-05-07 |
| 4194785 | Camper | Gail Cox | 1980-03-25 |
| 4181149 | Quick disconnect rotary valve coupling | — | 1980-01-01 |