Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5690855 | Polyol blend, cellular polyurethane foam product made therefrom, and halogenated hydrocarbon-free process therefor | Michael R. Sandner, Richard R. Zielinski, II | 1997-11-25 |