Granted Patent
Utility
US 4,835,463 · App. 07/088,931
Wide dynamic range a.c. current sensor
Inventors:
Paul Baran, Timothy J. Knutson
Patented Case
View Patent ↗
Granted: May 30, 1989
Filed: Aug 24, 1987
Inventors
Paul Baran
Timothy J. Knutson
Assignee (at issue)
Metricom, 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.