Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5122583 | Efficiency of a pre-polymerized catalyst | John A. Ewen, Alan Bitzer, David L. Gressett | 1992-06-16 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5122583 | Efficiency of a pre-polymerized catalyst | John A. Ewen, Alan Bitzer, David L. Gressett | 1992-06-16 |