Granted Patent
Utility
US 4,319,236 · App. 06/176,163
Hall effect position detector
Inventors:
Paul H. Brace, Wilbur P. Balmer
Patented Case
View Patent ↗
Granted: Mar 9, 1982
Filed: Aug 7, 1980
Inventors
Paul H. Brace
Wilbur P. Balmer
Assignee (at issue)
Barber-Coleman Company
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.