Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10526878 | System, apparatus and method for artificial lift, and improved downhole actuator for same | Ed Purcell, Mark W. Rose, Cole W. Dunnam | 2020-01-07 |
| 9617838 | System, apparatus and method for artificial lift, and improved downhole actuator for same | Ed Purcell, Mark W. Rose, Cole W. Dunnam | 2017-04-11 |
| D354688 | Golf club rest and divot watch | Robert M. Barrett | 1995-01-24 |
| 4210212 | Tool mounting with member locatable in first and second position between standard and frame | James G. Steinbach, Lon R. Geiger | 1980-07-01 |