Granted Patent
Utility
US 5,447,885 · App. 08/268,948
Isolation method of semiconductor device
Inventors:
Hyun-Jin Cho, Heung-mo Yang, Yun-Sung Shin, Oh Hyun Kwon
Patented Case
View Patent ↗
Granted: Sep 5, 1995
Filed: Jun 30, 1994
Inventors
Hyun-Jin Cho
Heung-mo Yang
Yun-Sung Shin
Oh Hyun Kwon
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.