Granted Patent
Utility
US 5,199,090 · App. 07/847,553
Flying magnetooptical read/write head employing an optical integrated circuit waveguide
Inventor:
Bernard W. Bell, Jr.
Patented Case
View Patent ↗
Granted: Mar 30, 1993
Filed: Mar 6, 1992
Inventor
Bernard W. Bell, Jr.
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.