Granted Patent
Utility
US 5,307,111 · App. 07/864,653
Object distance measuring apparatus of camera
Inventor:
Hiroshi Kurei
Patented Case
View Patent ↗
Granted: Apr 26, 1994
Filed: Apr 7, 1992
Inventor
Hiroshi Kurei
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.