Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4973629 | Compositions of aromatic polybenzimidazoles and aromatic polyimides | David J. Williams, Frank E. Karasz, William J. MacKnight, Michael Jaffe | 1990-11-27 |
| 4973630 | Compositions of aromatic polybenzimidazoles and aromatic polyetherimides | David J. Williams, Frank E. Karasz, Michael Jaffe, William J. MacKnight | 1990-11-27 |