Granted Patent
Utility
US 4,701,895 · App. 06/845,693
Magnetic biasing apparatus for magneto-optic recording including a permanent magnet
Inventor:
Glen J. VanSant
Patented Case
View Patent ↗
Granted: Oct 20, 1987
Filed: Mar 28, 1986
Inventor
Glen J. VanSant
Assignee (at issue)
RCA Corporation
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.