Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6343653 | Chemical injector apparatus and method for oil well treatment | John Y. Mason, Micah L Knippers, Gary W. Douglas | 2002-02-05 |
| 5204081 | Process for the generation of chlorine dioxide | John Y. Mason, Edward J. Bechberger, Dick Hilliard | 1993-04-20 |