Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6492183 | Extraction articles and methods | Craig A. Perman, Taib K. Ansera, Michael R. Berrigan, Jason R. Jacobson, Glen H. Bayer, Jr. | 2002-12-10 |
| 5897779 | Spiral wound extraction cartridge | Susan H. Lundquist | 1999-04-27 |