Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888393 | Carboxyl modified olefinic copolymer compositions | William Paul Whelan, Jr., Henno A. Petersen, Thomas S. Coolbaugh, Robert G. Davis | 1989-12-19 |
| 4843128 | Elastomeric composition having increased ozone resistance | — | 1989-06-27 |