Issued Patents 2023
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11771936 | Proportioner for a fire protection system | Marc Serge Ferere, Shawn J. Feenstra | 2023-10-03 |
| 11596821 | Proportioner for a fire protection system | Marc Serge Ferere, Shawn J. Feenstra | 2023-03-07 |
| 11559710 | Fire protection containment unit for intermediate bulk containers | Martin H. Workman, Shawn J. Feenstra | 2023-01-24 |