Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10788134 | High flow spool valve | Narasimharajpur Devappa Harsha, Gregory J. Volz | 2020-09-29 |
| 8210494 | Method and apparatus for manually opening a valve with a tolerance compensating stem | Paul W. Freisinger | 2012-07-03 |