Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6168681 | Method of making a filter device | Cynthia D. Bellefeuille, Andrew J. Dallas, Michael A. Madden, Suzan K. Nunnink | 2001-01-02 |
| 5869009 | Filter device | Cynthia D. Bellefeuille, Andrew J. Dallas, Michael A. Madden, Suzan K. Nunnink | 1999-02-09 |