Granted Patent
Utility
US 5,245,380 · App. 07/813,797
Shutter and iris combined automatic exposure device
Inventor:
Jae-Wan Yang
Patented Case
View Patent ↗
Granted: Sep 14, 1993
Filed: Dec 26, 1991
Inventor
Jae-Wan Yang
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.