Granted Patent
Utility
US 4,697,907 · App. 06/948,438
Flash photographing system
Inventors:
Nobuhiko Terui, Nobuyoshi Hagiuda
Patented Case
View Patent ↗
Granted: Oct 6, 1987
Filed: Dec 30, 1986
Inventors
Nobuhiko Terui
Nobuyoshi Hagiuda
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.