Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6860917 | Melt-spun ceramic fiber filter and method | Matthew P. Henrichsen, William C. Haberkamp | 2005-03-01 |
| 6585838 | Enhanced pleatability of meltblown media by ultrasonic processing | David Dickerson, Karen Ramsey-Idem, Lee Currier | 2003-07-01 |
| 6422395 | Filter with preferential fluid affinity | Barry M. Verdegan, Brian W. Schwandt, Daniel Cady, W. Lee Currier | 2002-07-23 |
| 5556440 | Pressure-actuated radial air filter seal | Zemin Jiang, Art P. Piccirilli | 1996-09-17 |