Granted Patent
Utility
US 6,360,508 · App. 09/521,066
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Inventors:
Paul R. Pelfrey, Philip H. Stobart
Patented Case
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Granted: Mar 26, 2002
Filed: Mar 8, 2000
Inventors
Paul R. Pelfrey
Philip H. Stobart
Assignee (at issue)
Crane Plastics Siding LLC
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.