Granted Patent
Utility
US 4,355,269 · App. 06/285,962
Motor heating control with interlocked dual isolating switches
Inventors:
Lawrence A. Burton, David T. Rollay, Walter J. Lukitsch
Patented Case
View Patent ↗
Granted: Oct 19, 1982
Filed: Jul 23, 1981
Inventors
Lawrence A. Burton
David T. Rollay
Walter J. Lukitsch
Assignee (at issue)
Allen-Bradley Company, LLC
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.