Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4513946 | Valve and valve sealing member | — | 1985-04-30 |
| 4253640 | Actuation system for valve with compound closure movement | Charles I. Koehlert | 1981-03-03 |
| 4203460 | Ball valve with compound closure movement | — | 1980-05-20 |