Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9783433 | Water treatment valve control system with rotary position sensor | James J. Downs, Daryl D. Sielaff | 2017-10-10 |
| 6491181 | Center opening treatment tank | Bradley S. Martin, Mark E. Wichmann | 2002-12-10 |
| 6032821 | Center opening treatment tank | Bradley S. Martin, Mark E. Wichmann | 2000-03-07 |
| 5127427 | Drinking water faucet | Ronald M. Matyja | 1992-07-07 |
| D327731 | Faucet | Ronald M. Matyja, Roger H. Ramsey, Mitchell L. Wilgus | 1992-07-07 |