Granted Patent
Utility
US 5,900,991 · App. 08/921,596
Compact wide-angle zoom lens system
Inventor:
Geon-Mo Kang
Patented Case
View Patent ↗
Granted: May 4, 1999
Filed: Sep 2, 1997
Inventor
Geon-Mo 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.