Granted Patent
Utility
US 4,491,794 · App. 06/437,670
Hall effect device test circuit
Inventors:
William Daley, Hendrik W. Van Husen
Patented Case
View Patent ↗
Granted: Jan 1, 1985
Filed: Oct 29, 1982
Inventors
William Daley
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.