Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5368769 | Manufacture of cellular polymers and compositions therefor | Jan W. Leenslag | 1994-11-29 |
| 5356556 | Manufacture of rigid foams and compositions therefor | — | 1994-10-18 |
| 5346928 | Rigid polyurethane foams | N. Washington Keane | 1994-09-13 |