Granted Patent
Utility
US 4,710,708 · App. 06/401,267
Method and apparatus employing received independent magnetic field components of a transmitted alternating magnetic field for determining location
Inventors:
Louis H. Rorden, Thomas C. Moore
Patented Case
View Patent ↗
Granted: Dec 1, 1987
Filed: Jul 23, 1982
Inventors
Louis H. Rorden
Thomas C. Moore
Assignee (at issue)
Develco, 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.