Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11204102 | Watertight check valve | Sean Michael Allen, Christopher Joseph Duckett | 2021-12-21 |
| 11186971 | Auxiliary valve for hydrant | Sean Michael Allen, Christopher Joseph Duckett | 2021-11-30 |
| 10920906 | Tamper-resistant operating nut for hydrants | — | 2021-02-16 |