Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5232647 | Process of making bicomponent acrylic fibers having reversible crimp | Ronald E. Pfeiffer, Francesco De Maria, William E. Streetman, Maurice M. Zwick | 1993-08-03 |
| 5130195 | Reversible crimp bicomponent acrylic fibers | Ronald E. Pfeiffer, Francesco De Maria, William E. Streetman, Maurice M. Zwick | 1992-07-14 |