Granted Patent
Utility
US 4,463,314 · App. 06/172,791
Earth field compensation for a magnetic detector by imparting a permanent magnetization to a magnetic material contiguous the detector
Inventor:
James H. Wilson
Patented Case
View Patent ↗
Granted: Jul 31, 1984
Filed: Jul 28, 1980
Inventor
James H. Wilson
Assignee (at issue)
Westinghouse Electric Company LLC
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.