Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7927485 | System for filtering water or wastewater | R. Lee Roberts, Mark Kevin Addison | 2011-04-19 |
| 5670041 | Reduced corrosion electronic descaling technology | Young I. Cho | 1997-09-23 |
| 5660721 | Apparatus for treatment of well water provided through a well water supply line | Jeffrey Careaga, Kenneth Bather, John Micolucci | 1997-08-26 |
| 4631961 | Sampling device for determining conditions on the interior surface of a water main | Thomas L. Yohe, Rodney M. Donlan | 1986-12-30 |
| 4608163 | Apparatus for purification of contaminated groundwater | Thomas L. Yohe | 1986-08-26 |
| 4526692 | Process for purification of contaminated groundwater | Thomas L. Yohe | 1985-07-02 |