Granted Patent
Utility
US 5,790,324 · App. 08/828,774
Wide-angle photographic lens system
Inventor:
Cheon Ho Park
Patented Case
View Patent ↗
Granted: Aug 4, 1998
Filed: Mar 27, 1997
Inventor
Cheon Ho Park
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.