Granted Patent
Utility
US 4,954,775 · App. 07/306,086
Automotive wheel speed sensor assembly with multipole rotor mounted on wheel bearing spindle
Inventor:
James W. Richmond
Patented Case
View Patent ↗
Granted: Sep 4, 1990
Filed: Feb 6, 1989
Inventor
James W. Richmond
Assignee (at issue)
Emhart Industries, 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.