Granted Patent
Utility
US 4,965,780 · App. 07/084,577
Magneto-optical data recording device using a wavelength and polarization-sensitive splitter
Inventors:
Neville K. Lee, James W. Howard
Patented Case
View Patent ↗
Granted: Oct 23, 1990
Filed: Aug 12, 1987
Inventors
Neville K. Lee
James W. Howard
Assignee (at issue)
Digital Equipment 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.