Granted Patent
Utility
US 5,121,998 · App. 07/678,144
Bearing assembly capable of monitoring angular velocity
Inventor:
Ravi Bhatia
Patented Case
View Patent ↗
Granted: Jun 16, 1992
Filed: Apr 1, 1991
Inventor
Ravi Bhatia
Assignee (at issue)
THE TIMKEN COMPANY
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.