Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7977259 | Roofing underlayment and method of producing same | Steve A. Ratcliff | 2011-07-12 |
| 7776417 | Self-adhesive ventilating waterproofing membrane | Natalino Zanchetta | 2010-08-17 |
| 7317045 | Polyethylene modified asphalt compositions | Natalino Zanchetta, Michele Drigo | 2008-01-08 |
| 7132143 | Self-adhering modified bitumen underlayment for tile roofs | Natalino Zanchetta | 2006-11-07 |
| 7115313 | Self-adhering modified bitumen underlayment for metal roofs | Natalino Zanchetta | 2006-10-03 |
| 6924015 | Modified bitumen roofing membrane with enhanced sealability | Natalino Zanchetta | 2005-08-02 |
| 6696125 | Self-adhered modified bitumen roofing material | Natalino Zanchetta | 2004-02-24 |