Granted Patent
Utility
US 4,595,561 · App. 06/672,464
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Inventors:
Michael Thornton, Benton C. Clark, III
Patented Case
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Granted: Jun 17, 1986
Filed: Nov 19, 1984
Inventors
Michael Thornton
Benton C. Clark, III
Assignee (at issue)
LOCKHEED MARTIN 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.