Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7004200 | Constant flow valve for a water softener control assembly | Mark J. Wittig, Kenneth J. Sieth, Jeffrey G. Franks | 2006-02-28 |
| 5734103 | Sealed wire entry for instrument housing and method of sealing | H. Paul Walding, Jr., Andrew J. Paese | 1998-03-31 |
| 4868566 | Flexible piezoelectric switch activated metering pulse generators | Donald H. Strobel, Lee Karsten | 1989-09-19 |
| 4725753 | Piezoelectric transducer | Neil C. Lien | 1988-02-16 |