Granted Patent
Utility
US 5,717,521 · App. 08/747,486
Super wide-angle variable magnification view finder
Inventor:
Moon-Hyeon Kim
Patented Case
View Patent ↗
Granted: Feb 10, 1998
Filed: Nov 12, 1996
Inventor
Moon-Hyeon Kim
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.