Granted Patent
Utility
US 4,624,542 · App. 06/696,036
Buffer for viewfinder mirror in a single lens reflex camera
Inventors:
Tomohisa Ikeno, Akira Katayama, Hidefumi Obo
Patented Case
View Patent ↗
Granted: Nov 25, 1986
Filed: Jan 29, 1985
Inventors
Tomohisa Ikeno
Akira Katayama
Hidefumi Obo
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.