Granted Patent
Utility
US 5,482,152 · App. 08/276,442
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Inventor:
James Sulzer
Patented Case
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Granted: Jan 9, 1996
Filed: Jul 18, 1994
Inventor
James Sulzer
Assignee (at issue)
Portec, 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.