Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5250921 | Field assembly for an electromagnet | Kalvin G. Van Laningham, Mark E. Blakeman, Dwight E. Booth, Douglas J. Clemens, Stewart B. Dobson +1 more | 1993-10-05 |
| 4816729 | Closed loop machining system calibration | — | 1989-03-28 |
| 4380150 | Pump jack assembly for wells | — | 1983-04-19 |