Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6245127 | Pressure swing adsorption process and apparatus | Frederick Wells Leavitt, Mark William Ackley, Frank Notaro | 2001-06-12 |
| 6027548 | PSA apparatus and process using adsorbent mixtures | Mark William Ackley, Alan Barnard Stewart, Gregory W. Henzler, Frederick Wells Leavitt, Frank Notaro | 2000-02-22 |