Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874837 | Aminated hydroxylated polyester polyol resin and molding compositions comprised thereof | James P. Bershas | 1989-10-17 |
| 4868267 | Aminated hydroxylated polyester polyol resin and molding compositions comprised thereof | James P. Bershas | 1989-09-19 |