Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6918574 | Reduced torque gate valve with roller screw | David Cain, Gregory L. Glidden, William Scott | 2005-07-19 |
| 5405457 | High strength sucker rod coupling | Dean E. Hermanson, Horace G. Isom | 1995-04-11 |
| 5405461 | Method of producing high Strength sucker rod coupling | Dean E. Hermanson, Horace G. Isom | 1995-04-11 |
| 5334268 | Method of producing high strength sucker rod coupling | Dean E. Hermanson, Horace G. Isom | 1994-08-02 |
| 4215746 | Pressure responsive safety system for fluid lines | Clifford M. Peters, L. V. McCary, Jr. | 1980-08-05 |