Granted Patent
Utility
US 6,667,186 · App. 10/259,325
Method of isolating semiconductor laser diode
Inventor:
Kwang Ki Choi
Patented Case
View Patent ↗
Granted: Dec 23, 2003
Filed: Sep 30, 2002
Inventor
Kwang Ki Choi
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.