Granted Patent
Utility
US 6,087,623 · App. 09/094,076
Semiconductor device marking apparatus using a rotating stopper
Inventors:
Mun Ki Kwon, Sung-Ho Choi, Byung Mun Choi
Patented Case
View Patent ↗
Granted: Jul 11, 2000
Filed: Jun 9, 1998
Inventors
Mun Ki Kwon
Sung-Ho Choi
Byung Mun 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.