Granted Patent
Utility
US 5,239,417 · App. 07/885,839
Lens barrel for automatic focusing camera
Inventors:
Haruki Eguchi, Takuji Hamasaki, Kenji Watanabe, Katsumori Kikuchi, Hiroaki Suzuki, Morio Takizawa, Atsushi Matsuda
Patented Case
View Patent ↗
Granted: Aug 24, 1993
Filed: May 20, 1992
Inventors
Haruki Eguchi
Takuji Hamasaki
Kenji Watanabe
Katsumori Kikuchi
Hiroaki Suzuki
Morio Takizawa
Atsushi Matsuda
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.