Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6641896 | Water resistant fire retardant roof underlayment sheet material | Rob Justus | 2003-11-04 |
| 6524980 | Roofing membranes using composite reinforcement constructions | Louis Kevin Horne, Derrel M. Winowich, Jr., Colin J. Hallam, David Sokol | 2003-02-25 |