Granted Patent
Utility
US 4,277,985 · App. 06/079,407
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Inventors:
Edward M. Kostello, Kenneth L. Schulte, Jr.
Patented Case
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Granted: Jul 14, 1981
Filed: Sep 27, 1979
Inventors
Edward M. Kostello
Kenneth L. Schulte, Jr.
Assignee (at issue)
Rockwell International 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.