Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886706 | Fibrous polyacrylonitrile reinforcing mixture for friction product applications, and method of making same | Hughey A. Rush, Johnson L. Pursoo, John W. Lindsay, Thomas E. Smith, Kenneth Golden Harper +2 more | 1989-12-12 |
| 4866109 | Method of making reinforced materials having an improved reinforcing material therein | Joe A. Mann, Frans P. P. Koeleveld, Agnes Potepan, Richard E. White, Barry T. Knight +1 more | 1989-09-12 |
| 4837281 | Method of making reinforced materials having improved reinforcing material therein | Joe A. Mann, Frans P. P. Koeleveld, Agnes Potepan, Richard E. White, Barry T. Knight +1 more | 1989-06-06 |