Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7718838 | Olefin production process | William M. Woodard, Warren M. Ewert, Harvey Hensley, Mark E. Lashier, Jeffrey W. Freeman +5 more | 2010-05-18 |
| 7157612 | Olefin production process | Warren M. Ewert, William M. Woodard, Harvey Hensley, Mark E. Lashier, Jeffrey W. Freeman +5 more | 2007-01-02 |
| 6455648 | Olefin production | Jeffrey W. Freeman, Warren M. Ewert, Bruce E. Kreischer, Ronald D. Knudsen | 2002-09-24 |