Granted Patent
Utility
US 5,412,713 · App. 08/047,589
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Inventors:
Kimberly A. Baals, Edward W. Boakes, Kathleen J. Chylinski, Darren A. Kall, Gary C. Smith
Patented Case
View Patent ↗
Granted: May 2, 1995
Filed: Apr 13, 1993
Inventors
Kimberly A. Baals
Edward W. Boakes
Kathleen J. Chylinski
Darren A. Kall
Gary C. Smith
Assignee (at issue)
AT&T CORP.
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.