Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7971853 | Friction spring for leak detection poppet | Paul D. Perry | 2011-07-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7971853 | Friction spring for leak detection poppet | Paul D. Perry | 2011-07-05 |