Granted Patent
Utility
US 5,617,253 · App. 08/338,757
Zoom lens
Inventor:
Geon-Mo Kang
Patented Case
View Patent ↗
Granted: Apr 1, 1997
Filed: Nov 10, 1994
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.