Granted Patent
Utility
US 4,046,309 · App. 05/703,708
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Inventor:
Lewis D. Poggiali
Patented Case
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Granted: Sep 6, 1977
Filed: Jul 8, 1976
Inventor
Lewis D. Poggiali
Assignee (at issue)
Olinkraft, 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.