Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5918852 | Wide flow range proportional flow valve | — | 1999-07-06 |
| 5676342 | Proportional flow valve with diaphragm pressure member | Peter A. Holborow, Scott M. Schipper | 1997-10-14 |
| 4244554 | Springless diaphragm valve | Joseph DiMauro, Herbert H. Kaemmer, Roger G. Riefler | 1981-01-13 |