Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |