Granted Patent
Utility
US 4,637,702 · App. 06/784,460
Safety apparatus for feeding a film of a camera
Inventors:
Kazuyuki Kazami, Hiroshi Wakabayashi
Patented Case
View Patent ↗
Granted: Jan 20, 1987
Filed: Oct 4, 1985
Inventors
Kazuyuki Kazami
Hiroshi Wakabayashi
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.