Granted Patent
Utility
US 5,652,445 · App. 08/643,805
Hybrid hall effect device and method of operation
Inventor:
Mark B. Johnson
Patented Case
View Patent ↗
Granted: Jul 29, 1997
Filed: May 6, 1996
Inventor
Mark B. Johnson
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.