Granted Patent
Utility
US 4,234,242 · App. 06/007,775
Gauss type photographic lens
Inventor:
Soichi Nakamura
Patented Case
View Patent ↗
Granted: Nov 18, 1980
Filed: Jan 30, 1979
Inventor
Soichi Nakamura
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.