Granted Patent
Utility
US 5,969,857 · App. 09/148,635
Stage assembly of microscope which prevents its particles of wear from being dispersed
Inventor:
Chung-woo Byun
Patented Case
View Patent ↗
Granted: Oct 19, 1999
Filed: Sep 4, 1998
Inventor
Chung-woo Byun
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.