Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5627221 | Process for production of low density water-blown rigid foams with flow and dimensional stability | Donald W. Schumacher, George Magnus | 1997-05-06 |
| 5420169 | Process for production of low density water-blown rigid foams with flow and dimensional stability | Donald W. Schumacher, George Magnus | 1995-05-30 |