Granted Patent
Utility
US 5,420,657 · App. 08/151,146
Viewfinder of a camera having projected indicator marks
Inventor:
Kosei Kosako
Patented Case
View Patent ↗
Granted: May 30, 1995
Filed: Nov 12, 1993
Inventor
Kosei Kosako
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.