Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7163630 | Method and apparatus for enhancing filter bed performance | Dennis Chilcote, Michael S. Gratz, Robert E. Clifford, III, John Mills, Gregory Vineretsky +3 more | 2007-01-16 |
| 6890440 | Method and apparatus for enhancing filter bed performance | Dennis Chilcote, Mike S. Gratz, Robert E. Clifford, III, John Mills, Gregory Vineretsky +3 more | 2005-05-10 |