Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10286992 | Fluid treatment system | Matthew DaCosta, Jim Fraser | 2019-05-14 |
| 9561455 | Fluid filter device | Jim Fraser, Ronald P. Cook | 2017-02-07 |
| 6054059 | Use of a ceramic metal oxide filter whose selection depends upon the Ph of the feed liquid and subsequent backwash using a liquid having a different Ph | Harold L. Fatheringham, Jr., Paul K. T. Liu | 2000-04-25 |
| 5310488 | Water treatment method | Christopher L. Hansen | 1994-05-10 |