Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12188212 | Automatic shutoff valve for breakaway wet barrel fire hydrant | John G. Polifka | 2025-01-07 |
| 11725368 | Automatic shutoff valve for breakaway wet barrel fire hydrant | John G. Polifka | 2023-08-15 |
| 11377826 | Automatic shutoff valve for breakaway wet barrel fire hydrant | John G. Polifka | 2022-07-05 |