Granted Patent
Utility
US 5,369,577 · App. 07/650,812
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Inventors:
A. Julie Kadashevich, Mary F. Harvey, Cheryl Clark
Patented Case
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Granted: Nov 29, 1994
Filed: Feb 1, 1991
Inventors
A. Julie Kadashevich
Mary F. Harvey
Cheryl Clark
Assignee (at issue)
Wang Laboratories, Inc.
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.