Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6920897 | Potable water circulation system | — | 2005-07-26 |
| 6705344 | Potable water circulation system | — | 2004-03-16 |
| 6062259 | Method and apparatus for preventing water from stagnating in branches of a municipal water supply system | — | 2000-05-16 |
| 5699859 | Well water recirculation valve and method of manufacturing thereof | — | 1997-12-23 |