Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6615892 | Method and apparatus for seaming wide panels of EPDM membrane to form a composite EPDM roofing membrane | Walter J. Kelly, Anthony Verrocchi, Raymond J. Weinert | 2003-09-09 |
| 6607793 | Large width heat-weldable roof membrane | Raymond J. Weinert, John Pomeroy | 2003-08-19 |