Granted Patent
Utility
US 6,453,353 · App. 09/248,764
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Inventors:
Teresa Win, Emilio Belmonte
Patented Case
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Granted: Sep 17, 2002
Filed: Feb 12, 1999
Inventors
Teresa Win
Emilio Belmonte
Assignee (at issue)
Entrust Corporation
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.