Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6168681 | Method of making a filter device | Cynthia D. Bellefeuille, Andrew J. Dallas, M. E. Wright, Michael A. Madden | 2001-01-02 |
| 6077335 | Filter and method for making a filter | Kirk A. Schneider, Henry J. Drasner, III, Allan L. Liebrenz, Katsushi Isogawa, Stanley B. Miller, III +3 more | 2000-06-20 |
| 5997618 | Filter and method for making a filter | Kirk A. Schneider, Henry J. Drasner, III, Allan L. Liebrenz, Katsushi Isogawa, Stanley B. Miller, III +3 more | 1999-12-07 |
| 5869009 | Filter device | Cynthia D. Bellefeuille, Andrew J. Dallas, M. E. Wright, Michael A. Madden | 1999-02-09 |