Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4626572 | Resinous composition | Ping Y. Liu | 1986-12-02 |
| 4469852 | Composition comprising graft polycarbonates | John A. Tyrell, Gary L. Freimiller | 1984-09-04 |
| 4397982 | Compositions | Ping Y. Liu | 1983-08-09 |