Granted Patent
Utility
US 5,803,843 · App. 08/268,246
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Inventors:
Vaughn R. Anderson, Marvin Carlston
Patented Case
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Granted: Sep 8, 1998
Filed: Jun 29, 1994
Inventors
Vaughn R. Anderson
Marvin Carlston
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.