Granted Patent
Utility
US 5,731,650 · App. 08/706,979
Dynamoelectric machine with brush wear sensor
Inventor:
Walfried F. Scheucher
Patented Case
View Patent ↗
Granted: Mar 24, 1998
Filed: Sep 3, 1996
Inventor
Walfried F. Scheucher
Assignee (at issue)
Lucas Aerospace Power Equipment 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.