Granted Patent
Utility
US 4,435,659 · App. 06/431,863
Speed sensor for an electromagnetic machine
Inventor:
Arnold D. Peterson
Patented Case
View Patent ↗
Granted: Mar 6, 1984
Filed: Sep 30, 1982
Inventor
Arnold D. Peterson
Assignee (at issue)
Bendix Limited
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.