Granted Patent
Utility
US 5,239,389 · App. 07/722,761
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Inventors:
Richard L. Kochis, Brian L. Hastings
Patented Case
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Granted: Aug 24, 1993
Filed: Jun 27, 1991
Inventors
Richard L. Kochis
Brian L. Hastings
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.