Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889912 | Acetylene terminated aspartimides and resins therefrom | Paul M. Hergenrother, Stephen J. Havens | 1989-12-26 |
| 4861882 | Ethynyl terminated imidothioethers and resins therefrom | Paul M. Hergenrother, R. Gerald Bass | 1989-08-29 |