Granted Patent
Utility
US 6,216,392 · App. 09/344,356
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Inventor:
Anthony V. Diginosa
Patented Case
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Granted: Apr 17, 2001
Filed: Jun 25, 1999
Inventor
Anthony V. Diginosa
Assignee (at issue)
Royal Plastic
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.