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John Humphreys
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Lenexa, KS, US
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Patents Grants
last 30 patents
Information
Patent Grant
Synthetic roofing shingles
Patent number
7,563,478
Issue date
Jul 21, 2009
DaVinci Roofscapes, LLC
John Humphreys
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Stepped tile shingle
Patent number
7,520,098
Issue date
Apr 21, 2009
DaVinci Roofscapes, LLC
Jeff Martinique
E04 - BUILDING
Information
Patent Grant
Synthetic roofing shingles
Patent number
7,140,153
Issue date
Nov 28, 2006
DaVinci Roofscapes, LLC
John Humphreys
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Patents Applications
last 30 patents
Information
Patent Application
Synthetic roofing shingles
Publication number
20090260309
Publication date
Oct 22, 2009
DaVinci Roofscapes, LLC
John Humphreys
E04 - BUILDING
Information
Patent Application
Stepped tile shingle
Publication number
20090173031
Publication date
Jul 9, 2009
DaVinci Roofscapes, LLC
Jeff Martinique
E04 - BUILDING