Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7178604 | Fire extinguisher with means for preventing freezing at outlet | Brad D. Petersen | 2007-02-20 |
| 6902009 | Fire extinguisher with means for preventing freezing at outlet | Brad D. Petersen | 2005-06-07 |