Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7871525 | Biomass treatment of organic waste or waste water | John Mills, Greg Stadden, Michael S. Gratz | 2011-01-18 |
| 7481940 | Biomass treatment of organic waste or water waste | John Mills, Greg Stadden, Michael S. Gratz | 2009-01-27 |
| 7163630 | Method and apparatus for enhancing filter bed performance | Dennis Chilcote, Michael S. Gratz, John Mills, Gregory Vineretsky, Daniel Mc Graw +3 more | 2007-01-16 |
| 6890440 | Method and apparatus for enhancing filter bed performance | Dennis Chilcote, Mike S. Gratz, John Mills, Gregory Vineretsky, Daniel McGraw +3 more | 2005-05-10 |
| 5518668 | Air stripper arrangement | Thomas J. Chresand, James John Pirrett Higgins | 1996-05-21 |