Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5912423 | Method and means for purifying air with a regenerable carbon cloth sorbent | David T. Doughty, Michael Greenbank | 1999-06-15 |
| 5389125 | Automated system for recovery of VOC's from process air | Bruce Barney | 1995-02-14 |