Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5643399 | Composite roofing product and apparatus and method for cleaning vulcanized rubber and for making a composite roofing product | — | 1997-07-01 |
| 5620554 | Apparatus for making a composite roofing product | — | 1997-04-15 |
| 5456785 | Composite roofing product and method and apparatus for making a composite roofing product | — | 1995-10-10 |
| 4996812 | Method of membrane application in roof construction | — | 1991-03-05 |