Granted Patent
Utility
US 4,525,049 · App. 06/538,423
Motor driving device of a camera
Inventors:
Harumi Ogawa, Fumito Obikawa, Toshio Koyama, Yoshiaki Otsubo, Hiroshi Wakabayashi, Tadashi Otani
Patented Case
View Patent ↗
Granted: Jun 25, 1985
Filed: Oct 3, 1983
Inventors
Harumi Ogawa
Fumito Obikawa
Toshio Koyama
Yoshiaki Otsubo
Hiroshi Wakabayashi
Tadashi Otani
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.