Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886706 | Fibrous polyacrylonitrile reinforcing mixture for friction product applications, and method of making same | Billy B. Hibbard, Johnson L. Pursoo, John W. Lindsay, Thomas E. Smith, Kenneth Golden Harper +2 more | 1989-12-12 |