Granted Patent
Utility
US 4,329,040 · App. 06/242,887
Signal transmitting device of an intermediate lens barrel of a camera
Inventors:
Kunihiro Fukino, Sunao Ishizaka
Patented Case
View Patent ↗
Granted: May 11, 1982
Filed: Mar 12, 1981
Inventors
Kunihiro Fukino
Sunao Ishizaka
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.