Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4736767 | Fluid flow controller | — | 1988-04-12 |
| 4623120 | Safe high pressure instrument valve | Fred W. Trebes | 1986-11-18 |
| 4519580 | Safe high pressure instrument valve | Fred W. Trebes | 1985-05-28 |
| 4424738 | Fluid controller with diaphragm and piston | — | 1984-01-10 |