Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4377546 | Process for producing aromatic heterocyclic polymer alloys | Thaddeus E. Helminiak, Fred E. Arnold, George Husman | 1983-03-22 |
| 4207407 | Aromatic heterocyclic polymer alloys and products produced therefrom | Thaddeus E. Helminiak, Fred E. Arnold, George Husman | 1980-06-10 |