Granted Patent
Utility
US 5,894,465 · App. 09/003,069
Transmissive data storage media and an optical head using holographic or acousto-optical deflection
Inventor:
Yu Hong Ja
Patented Case
View Patent ↗
Granted: Apr 13, 1999
Filed: Jan 5, 1998
Inventor
Yu Hong Ja
Assignee (at issue)
Rrad-Rite 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.