Granted Patent
Utility
US 6,663,357 · App. 09/966,132
Vane pump wear sensor for predicted failure mode
Inventors:
William H. Dalton, Kurt Grochowski
Patented Case
View Patent ↗
Granted: Dec 16, 2003
Filed: Sep 28, 2001
Inventors
William H. Dalton
Kurt Grochowski
Assignee (at issue)
Goodrich Pump & Engine Control Systems, 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.