Granted Patent
Utility
US 5,740,148 · App. 08/779,463
Stationary optical data storage system using holographic or acousto-optical deflection
Inventor:
Yu Hong Ja
Patented Case
View Patent ↗
Granted: Apr 14, 1998
Filed: Jan 7, 1997
Inventor
Yu Hong Ja
Assignee (at issue)
Read 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.