Granted Patent
Utility
US 5,353,241 · App. 07/815,267
Shifting system and method for an electronic compass system
Inventor:
Rafi A. Al-Attar
Patented Case
View Patent ↗
Granted: Oct 4, 1994
Filed: Dec 27, 1991
Inventor
Rafi A. Al-Attar
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.