Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11389680 | Main valve with pressure relief valve having a lockout feature | George J. McHugh, James P. McHugh | 2022-07-19 |
| 11339882 | Butterfly check valve | George J. McHugh, James P. McHugh | 2022-05-24 |