Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5501801 | Method and apparatus for destroying organic compounds in fluid | Yin Zhang, John C. Crittenden, David L. Perram | 1996-03-26 |
| 5182030 | Regeneration of adsorbents using advanced oxidation | John C. Crittenden, Sawang Notthakun, David L. Perram | 1993-01-26 |