Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4741509 | Gate valve with improved secondary body to bushing seals | Paul D. Bunch | 1988-05-03 |
| 4635670 | Heat sensitive valve | — | 1987-01-13 |
| 4553759 | Valve and improved stem seal therefor | — | 1985-11-19 |
| 4406303 | Gate valve with position indicator | — | 1983-09-27 |