Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7294278 | Method for oxygenating wastewater | J. Richard Spears, Richard Crilly, Ray Rydman, James Gessert | 2007-11-13 |
| 7008535 | Apparatus for oxygenating wastewater | J. Richard Spears, Richard Crilly, Ray Rydman, James Gessert | 2006-03-07 |