Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5525180 | Method for producing chopped fiber strands | Warren C. Schimpf | 1996-06-11 |
| 5268158 | High modulus pan-based carbon fiber | — | 1993-12-07 |
| 5098688 | Carbon fibres | Warren C. Schimpf, Niel W. Hansen, Steven E. Russell | 1992-03-24 |
| 5066433 | Method of manufacturing carbon fiber using preliminary stretch | — | 1991-11-19 |