Granted Patent
Utility
US 5,325,147 · App. 08/091,866
Exposure control apparatus of a camera
Inventors:
Tadayuki Kirigaya, Isamu Hirai, Hideaki Tsuji, Nobuhiko Matsudo
Patented Case
View Patent ↗
Granted: Jun 28, 1994
Filed: Jul 15, 1993
Inventors
Tadayuki Kirigaya
Isamu Hirai
Hideaki Tsuji
Nobuhiko Matsudo
Assignee (at issue)
Asahi Kogaku Kogyo Kabushiki Kaisha
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.