Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6904731 | Application of a membrane roof cover system having a polyester foam layer | Trevor Wardle | 2005-06-14 |
| 5784845 | Open-cell foams in roofing systems | Daniel D. Imeokparia, Creston D. Shimdt, Kyung W. Suh | 1998-07-28 |
| 5557896 | Method of employing an extruded open-cell alkenyl aromatic foam in roofing systems | Daniel D. Imeokparia, Creston D. Shmidt, Kyung W. Suh | 1996-09-24 |