Granted Patent
Utility
US 4,737,812 · App. 06/890,329
Automatic focusing camera
Inventors:
Hiroshi Hasegawa, Takashi Saegusa
Patented Case
View Patent ↗
Granted: Apr 12, 1988
Filed: Jul 29, 1986
Inventors
Hiroshi Hasegawa
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.