Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6748970 | Pilot operated water conservation valve and actuator | — | 2004-06-15 |
| 6298872 | Pilot operated water conservation valve actuator | — | 2001-10-09 |
| 6123315 | Apparatus and method for reducing water use | — | 2000-09-26 |
| 5361804 | Water conservation valve | Michael C. McDonald | 1994-11-08 |