Granted Patent
Utility
US 6,084,840 · App. 09/007,209
Optical pickup for use with a recording medium
Inventor:
Hag-Hyeon Jang
Patented Case
View Patent ↗
Granted: Jul 4, 2000
Filed: Jan 14, 1998
Inventor
Hag-Hyeon Jang
Assignee (at issue)
SAMSUNG DISPLAY CO., LTD.
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.