Granted Patent
Utility
US 4,272,168 · App. 06/059,078
Photographic camera of automatic exposure control type
Inventors:
Yoshihisa Maitani, Katsuhiko Tsunefuji
Patented Case
View Patent ↗
Granted: Jun 9, 1981
Filed: Jul 19, 1979
Inventors
Yoshihisa Maitani
Katsuhiko Tsunefuji
Assignee (at issue)
Olympus Optical Co., Ltd.
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.