Granted Patent
Utility
US 4,236,803 · App. 06/056,857
Lens for a camera provided with code patterns
Inventor:
Jun Shimomura
Patented Case
View Patent ↗
Granted: Dec 2, 1980
Filed: Jul 12, 1979
Inventor
Jun Shimomura
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.