Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4600457 | Method and resin solution for splicing carbonized polyacrylonitrile material | Raymond G. Spain | 1986-07-15 |
| 4499216 | Method and resin solution for splicing carbonized polyacrylonitrile material | Raymond G. Spain | 1985-02-12 |