Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5402820 | Stabilizer for pressure regulator | John W. Duffy, Gary L. Scott, William J. Bonzer | 1995-04-04 |
| 4554943 | Single disc rotary valve | Robert L. Claney, Herbert H. Walton, Kimball R. Barron | 1985-11-26 |
| 4532961 | Bidirectional disc throttling valve | Herbert H. Walton | 1985-08-06 |