Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Craig Paul Doberstein0
Courtney Van Roy Harris0
Date of Patent
June 29, 2010
0Patent Application Number
121149190
Date Filed
May 5, 2008
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A roofing composition is formed as a shingle or from one or more separate sheets. The roofing composition includes a storage layer with an inert non-growing storage medium to absorb and detain precipitation for gradual release. The roofing composition reduces hydraulic discharge rates to avoid overloading downstream drainage systems.
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