Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5983743 | Actuator assembly | Ronald W. McGregor, Roy MacKenzie, Stanley A. Weise | 1999-11-16 |
| 5916325 | Actuator assembly and torque limiting system for same | Don Hiller, Terry Cloninger, Roy MacKenzie, Jim S. McMillan | 1999-06-29 |
| 5832779 | Actuator assembly with manual locking device | Don Hiller | 1998-11-10 |
| 5664602 | Check valve for meter run | — | 1997-09-09 |
| 5469884 | Check valve for meter run | — | 1995-11-28 |