Composite shingle
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
Mar 20, 2003
app pub date -
May 25, 2001
filing date -
May 25, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Disclosed is a composite roofing shingle. The preferred roofing shingle includes a mixture of a polymer and a filler. The preferred blend includes between about 35-65% polyethylene and 50-70% crushed limestone filler.
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