Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7828969 | Liquid filtration systems | Bradley W. Eaton, William J. Feil, III, Torrence B. Stahl, Thund Y. Watt | 2010-11-09 |
| 6712939 | Process for manufacturing wet-felted and thermally bonded porous structures and porous structures formed by the process | Wei-Chih Chen, Katharine L. K. Faye | 2004-03-30 |
| 6258409 | Method for sealing the perimeter of a filter sheet | Richard Sale, Richard A. Prince, Norbert Roessler | 2001-07-10 |
| 6132608 | Optimized wax for sealing the edge of a filter sheet | Richard Sale, Richard A. Prince, Norbert Roessler | 2000-10-17 |