Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5916325 | Actuator assembly and torque limiting system for same | Ronn G. Madrid, Terry Cloninger, Roy MacKenzie, Jim S. McMillan | 1999-06-29 |
| 5832779 | Actuator assembly with manual locking device | Ronn G. Madrid | 1998-11-10 |
| 5067510 | Adjustable, fusible, manually operable valve lock-open assembly | Craig B. Breaux, Denny Cawyer, Dwight Duplantis | 1991-11-26 |
| 4469119 | Pilot valve with fusible lockout knob | David Snyder | 1984-09-04 |