Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8268943 | Preparation of supported chromium catalyst and polymerization process | David Knoeppel | 2012-09-18 |
| 8258246 | Preparation of supported chromium catalyst and polymerization process | David Knoeppel | 2012-09-04 |
| 4769136 | Filter unit with linked valve actuators | John D. Vander Ark, Jr. | 1988-09-06 |