Granted Patent
Utility
US 6,169,628 · App. 08/741,544
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Inventors:
Wayne E. Isbell, Robert E. Wallace
Patented Case
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Granted: Jan 2, 2001
Filed: Oct 31, 1996
Inventors
Wayne E. Isbell
Robert E. Wallace
Assignee (at issue)
Litton Systems, 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.