Granted Patent
Utility
US 6,563,772 · App. 09/767,525
Method of tracking control for optical disc recorder and reproducer
Inventors:
Seong Pyo Hong, Kyung Soo Kim
Patented Case
View Patent ↗
Granted: May 13, 2003
Filed: Jan 23, 2001
Inventors
Seong Pyo Hong
Kyung Soo Kim
Assignee (at issue)
LG ELECTRONICS INC.
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.