Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8393346 | Solenoid valve and method of assembly thereof | Douglas Allan Curtis, Nathan Davis | 2013-03-12 |
| 8096043 | Method of assembling a pump motor and preloading bearings of the motor | Douglas Allan Curtis | 2012-01-17 |
| 7762796 | Pump valve with controlled stroke | Douglas Allan Curtis | 2010-07-27 |