Granted Patent
Utility
US 4,311,367 · App. 06/094,725
Wide angle photographic lens
Inventor:
Ikuo Mori
Patented Case
View Patent ↗
Granted: Jan 19, 1982
Filed: Nov 15, 1979
Inventor
Ikuo Mori
Assignee (at issue)
Nippon Kogaku K.K.
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.