Granted Patent
Utility
US 5,729,392 · App. 08/763,896
Compact zoom lens system
Inventor:
Young-Kyu Yoon
Patented Case
View Patent ↗
Granted: Mar 17, 1998
Filed: Dec 11, 1996
Inventor
Young-Kyu Yoon
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.