Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8476464 | Alkylene oxide purification systems | John F. Szul, James H. McCain, Floyd L. Pfeffer, Harvey E. Andresen, Kent E. Newman | 2013-07-02 |
| 8257558 | Alkylene oxide purification systems | John F. Szul, James H. McCain, Floyd L. Pfeffer, Harvey E. Andresen, Kent E. Newman | 2012-09-04 |
| 8183400 | Alkylene oxide recovery systems | John F. Szul, James H. McCain, Floyd L. Pfeffer, Harvey E. Andresen, Kent E. Newman | 2012-05-22 |
| 8129551 | Alkylene oxide recovery systems | John F. Szul, James H. McCain, Floyd L. Pfeffer, Harvey E. Andresen, Kent E. Newman | 2012-03-06 |