Granted Patent
Utility
US 6,782,543 · App. 09/188,363
Apparatus for driving an optical disc and method thereof
Inventor:
Cheol-woong Ahn
Patented Case
View Patent ↗
Granted: Aug 24, 2004
Filed: Nov 10, 1998
Inventor
Cheol-woong Ahn
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.