Granted Patent
Utility
US 4,448,506 · App. 06/396,060
Exposure control device of a camera
Inventors:
Takashi Saegusa, Osamu Maida, Toru Fukuhara
Patented Case
View Patent ↗
Granted: May 15, 1984
Filed: Jul 7, 1982
Inventors
Takashi Saegusa
Osamu Maida
Toru Fukuhara
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.