Granted Patent
Utility
US 4,532,450 · App. 06/640,300
Compound piezoelectric accelerometer with residual voltage matching
Inventors:
William O. McNeel, James A. Sackett
Patented Case
View Patent ↗
Granted: Jul 30, 1985
Filed: Aug 13, 1984
Inventors
William O. McNeel
James A. Sackett
Assignee (at issue)
Litton Resources 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.