Granted Patent
Utility
US 5,878,296 · App. 08/972,888
Preview apparatus in single lens reflex camera
Inventors:
Mikio Ogi, Yutaka Osawa
Patented Case
View Patent ↗
Granted: Mar 2, 1999
Filed: Nov 18, 1997
Inventors
Mikio Ogi
Yutaka Osawa
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.