IP Library › Granted Patent US 6,823,637
Granted Patent Utility
US 6,823,637 · App. 10/334,356

Shingle with a rendered shadow design

Inventors: Bert W. Elliott, David P. Aschenbeck
Patented Case View Patent ↗
Granted: Nov 30, 2004 Filed: Dec 31, 2002
Inventors
Bert W. Elliott
David P. Aschenbeck
Assignee (at issue)
Owens-Corning Fiberglas Technology, Inc.

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Quick Facts
Patent No.
US 6,823,637
App. No.
10/334,356
Filed
2002-12-31
Granted
2004-11-30
Kind
B2