Granted Patent
Utility
US 5,696,442 · App. 08/684,960
Rotational velocity sensor ring apparatus and method
Inventors:
David Foster, Debbie Sue Wadsworth-Dubbert
Patented Case
View Patent ↗
Granted: Dec 9, 1997
Filed: Jul 19, 1996
Inventors
David Foster
Debbie Sue Wadsworth-Dubbert
Assignee (at issue)
General Motors 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.