Granted Patent
Utility
US 4,767,654 · App. 06/788,787
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Inventor:
James H. Riggsbee
Patented Case
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Granted: Aug 30, 1988
Filed: Oct 18, 1985
Inventor
James H. Riggsbee
Assignee (at issue)
United Merchants & Manufacturers, 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.