Granted Patent
Utility
US 4,488,112 · App. 06/412,758
Hall effect device test circuit
Inventors:
Robert William Thompson, Hendrik W. Van Husen
Patented Case
View Patent ↗
Granted: Dec 11, 1984
Filed: Aug 30, 1982
Inventors
Robert William Thompson
Hendrik W. Van Husen
Assignee (at issue)
GTE Automatic Electric Incorporated
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.