Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4866109 | Method of making reinforced materials having an improved reinforcing material therein | Billy B. Hibbard, Joe A. Mann, Frans P. P. Koeleveld, Agnes Potepan, Barry T. Knight +1 more | 1989-09-12 |
| 4837281 | Method of making reinforced materials having improved reinforcing material therein | Billy B. Hibbard, Joe A. Mann, Frans P. P. Koeleveld, Agnes Potepan, Barry T. Knight +1 more | 1989-06-06 |