Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9266054 | Durable adsorbent material and adsorbent packs and method of making same | Douglas B. McKenna | 2016-02-23 |
| 8821619 | Adsorbent cartridge assembly with end cap | Douglas B. McKenna, J. Anthony DelNegro | 2014-09-02 |
| 8413655 | Adsorbents and inhalation devices | Douglas B. McKenna | 2013-04-09 |