Granted Patent
Utility
US 4,286,200 · App. 06/047,173
Universal intermittent windshield wiper circuit
Inventor:
Ralph V. Brown
Patented Case
View Patent ↗
Granted: Aug 25, 1981
Filed: Jun 8, 1979
Inventor
Ralph V. Brown
Assignee (at issue)
Facet Enterprises, Incorporated
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.