Granted Patent
Utility
US 5,799,428 · App. 08/640,673
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Inventor:
Gary S. Poindexter
Patented Case
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Granted: Sep 1, 1998
Filed: May 1, 1996
Inventor
Gary S. Poindexter
Assignee (at issue)
Kansas City Poster Display Company
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.