Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10676582 | Polyurethane and polyisocyanurate rigid foams suitable for roofing insulation | George Combs | 2020-06-09 |
| 10279515 | Processes for producing flexible polyurethane foam laminates and laminates produced thereby | Ulrich Holeschovsky, Robert F. Felt, Michael S. Robinson | 2019-05-07 |
| 9522973 | Polyurethane and polyisocyanurate rigid foams for roofing insulation | George Combs | 2016-12-20 |