Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10022575 | Antifreeze sprinkler system | — | 2018-07-17 |
| 9776028 | Pre-primed preaction sprinkler system | Shawn J. Feenstra, Eldon D. Jackson, Martin H. Workman | 2017-10-03 |
| 7290618 | Fast response sprinkler head and fire extinguishing system | Peter W. Thomas, Thomas G. Deegan, Scott T. Franson, Delwin G. Dornbos | 2007-11-06 |
| 7036603 | Fast response sprinkler head and fire extinguishing system | Peter W. Thomas, Thomas G. Deegan, Scott T. Franson, Delwin G. Dornbos | 2006-05-02 |
| 6585054 | Fast response sprinkler head and fire extinguishing system | Peter W. Thomas, Thomas G. Deegan, Scott T. Franson, Delwin G. Dornbos | 2003-07-01 |