Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11980786 | Proportioner for a fire protection system | Derek John Scheffers, Shawn J. Feenstra | 2024-05-14 |
| 11771936 | Proportioner for a fire protection system | Derek John Scheffers, Shawn J. Feenstra | 2023-10-03 |
| 11596821 | Proportioner for a fire protection system | Derek John Scheffers, Shawn J. Feenstra | 2023-03-07 |
| 11358015 | Pilot actuator for actuating a control valve | Shawn J. Feenstra | 2022-06-14 |
| 11247086 | Pilot actuator for actuating a control valve | Shawn J. Feenstra | 2022-02-15 |