Granted Patent
Utility
US 4,475,855 · App. 06/392,544
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Inventors:
Charles F. Crissy, Paul M. Holmes
Patented Case
View Patent ↗
Granted: Oct 9, 1984
Filed: Jun 28, 1982
Inventors
Charles F. Crissy
Paul M. Holmes
Assignee (at issue)
Aeroquip 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.