Granted Patent
Utility
US 4,283,668 · App. 06/010,030
DC Motor control with alternate action solenoid drive circuit
Inventor:
David T. Cavil
Patented Case
View Patent ↗
Granted: Aug 11, 1981
Filed: Feb 7, 1979
Inventor
David T. Cavil
Assignee (at issue)
Outboard Marine 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.