Granted Patent
Utility
US 5,784,204 · App. 08/723,836
Variable magnification viewfinder
Inventor:
Hyung Won Kang
Patented Case
View Patent ↗
Granted: Jul 21, 1998
Filed: Sep 30, 1996
Inventor
Hyung Won Kang
Assignee (at issue)
Samsung Aerospace Industries, 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.