Granted Patent
Utility
US 6,639,735 · App. 09/927,221
Method for manufacturing an optical device
Inventors:
Kyung Hyun Park, Jong-Hoi Kim, Yong Soon Baek, Moon-Ho Park, Sung Bock Kim, Kwang Ryong Oh
Patented Case
View Patent ↗
Granted: Oct 28, 2003
Filed: Aug 10, 2001
Inventors
Kyung Hyun Park
Jong-Hoi Kim
Yong Soon Baek
Moon-Ho Park
Sung Bock Kim
Kwang Ryong Oh
Assignee (at issue)
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
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.