Granted Patent
Utility
US 5,070,487 · App. 07/473,016
Magneto-optic media recording system including a directed magnetic bias flux
Inventor:
Edwin George Watson
Patented Case
View Patent ↗
Granted: Dec 3, 1991
Filed: Jan 31, 1990
Inventor
Edwin George Watson
Assignee (at issue)
General Electric 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.