Granted Patent
Utility
US 5,652,374 · App. 08/500,217
Method and apparatus for detecting failure in vibrating sensors
Inventors:
Michael I. Chia, Jack D. Johnson, Carl David Wright
Patented Case
View Patent ↗
Granted: Jul 29, 1997
Filed: Jul 10, 1995
Inventors
Michael I. Chia
Jack D. Johnson
Carl David Wright
Assignee (at issue)
DELCO ELECTRONICS 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.