Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11697090 | Sorbent devices | Michael Greenbank, Robert H. Vaughn, Steven R. Evanovich, Walter G. Tramposch, David T. Doughty +3 more | 2023-07-11 |
| 4708853 | Mercury adsorbent carbon molecular sieves and process for removing mercury vapor from gas streams | Thomas M. Matviya, Michael Greenbank | 1987-11-24 |