Granted Patent
Utility
US 5,442,221 · App. 08/065,003
Hall effect sensor
Inventors:
Vincent Mosser, Jean-Louis Robert
Patented Case
View Patent ↗
Granted: Aug 15, 1995
Filed: May 24, 1993
Inventors
Vincent Mosser
Jean-Louis Robert
Assignee (at issue)
Schlumberger Industires, S.A.
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.