Granted Patent
Utility
US 6,614,740 · App. 09/577,825
Device and method for detecting non-writable region of optical recording medium
Inventors:
Sang On Park, You Jae Park, Eung Soo Kim
Patented Case
View Patent ↗
Granted: Sep 2, 2003
Filed: May 25, 2000
Inventors
Sang On Park
You Jae Park
Eung 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.