Granted Patent
Utility
US 4,836,679 · App. 07/194,604
Rotation sensors based on symmetrical electro-magnetic oscillators
Inventor:
Bruce J. Bartholomew
Patented Case
View Patent ↗
Granted: Jun 6, 1989
Filed: May 16, 1988
Inventor
Bruce J. Bartholomew
Assignee (at issue)
General Dynamics 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.