Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5684057 | Three component polyol blend for use in insulating rigid polyurethane foams | Walter R. White, III, Thomas B. K. Lee, Keith McLellan, Ronald J. Wierzbicki | 1997-11-04 |
| 5677359 | Three component polyol blend for use in insulating rigid polyurethane foams | Walter R. White, III, Thomas B. K. Lee, Keith McLellan, Ronald J. Wierzbicki | 1997-10-14 |
| 5648019 | Three component polyol blend for use in insulating rigid polyurethane foams | Walter R. White, III, Thomas B. K. Lee, Keith McLellan, Ronald J. Wierzbicki | 1997-07-15 |