Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5518526 | Pressure swing adsorption process | Mohamed Safdar Allie Baksh, Herbert Raymond Schaub | 1996-05-21 |
| 4909269 | High pressure regulator valve | Francis E. Pritchard | 1990-03-20 |
| 4905723 | High pressure regulator | Francis E. Pritchard | 1990-03-06 |
| 4844111 | High pressure regulator valve | Francis E. Pritchard | 1989-07-04 |