Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8333246 | Hydro-pneumatic extinguisher | Michael P. Hanratty, Peter C. Hanratty | 2012-12-18 |
| 8333247 | Hydro-pneumatic extinguisher | Michael P. Hanratty, Peter C. Hanratty | 2012-12-18 |