Granted Patent
Utility
US 4,347,758 · App. 06/183,957
Molded plastic control lock knob
Inventors:
Ronald J. Geil, Richard Tinker, Robert A. Carmo
Patented Case
View Patent ↗
Granted: Sep 7, 1982
Filed: Sep 3, 1980
Inventors
Ronald J. Geil
Richard Tinker
Robert A. Carmo
Assignee (at issue)
Gould 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.