Granted Patent
Utility
US 6,360,638 · App. 09/427,425
Controlled cutting of multiple webs to produce roofing shingles
Inventors:
James F. White, David Rodenbaugh
Patented Case
View Patent ↗
Granted: Mar 26, 2002
Filed: Oct 26, 1999
Inventors
James F. White
David Rodenbaugh
Assignee (at issue)
Owens-Corning Fiberglas Technology, Inc.
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.