Granted Patent
Utility
US 5,991,248 · App. 08/941,342
Apparatus and method for controlling a tracking balance of an optical disk player
Inventor:
Chung-Seon Hong
Patented Case
View Patent ↗
Granted: Nov 23, 1999
Filed: Sep 30, 1997
Inventor
Chung-Seon Hong
Assignee (at issue)
Daewoo Electronics 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.