Granted Patent
Utility
US 4,274,721 · App. 06/119,454
Metering device of a camera
Inventors:
Toru Fukuhara, Takashi Saegusa
Patented Case
View Patent ↗
Granted: Jun 23, 1981
Filed: Feb 7, 1980
Inventors
Toru Fukuhara
Takashi Saegusa
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.