Granted Patent
Utility
US 4,470,658 · App. 06/499,706
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Inventors:
Valentine J. Hemmer, R. Amelia Piscitelli
Patented Case
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Granted: Sep 11, 1984
Filed: May 31, 1983
Inventors
Valentine J. Hemmer
R. Amelia Piscitelli
Assignee (at issue)
Bendix Limited
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.