Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5711507 | Automatic calibrating electrically controlled diaphragm valve actuators and methods for their calibration | Mark D. Berget | 1998-01-27 |
| 5518015 | Automatic calibrating electrically controlled diaphragm valve actuators and methods for their calibration | Mark D. Berget | 1996-05-21 |
| 4775133 | Electric air valve | H. Kenneth Ring, Steven C. Weber | 1988-10-04 |
| 4749000 | Normally open pneumatic air valve | H. Kenneth Ring, Steven C. Weber | 1988-06-07 |
| 4749001 | Normally closed pneumatic air valve | H. Kenneth Ring, Steven C. Weber | 1988-06-07 |