Granted Patent
Utility
US 4,264,164 · App. 06/074,919
Memory holding device in a single lens reflex camera
Inventors:
Ryuzo Motoori, Sakuji Watanabe, Yoshiaki Ohtsubo
Patented Case
View Patent ↗
Granted: Apr 28, 1981
Filed: Sep 13, 1979
Inventors
Ryuzo Motoori
Sakuji Watanabe
Yoshiaki Ohtsubo
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.