Granted Patent
Utility
US 5,999,753 · App. 09/016,429
Single-lens reflex camera
Inventors:
Isamu Hirai, Shigeru Iwamoto
Patented Case
View Patent ↗
Granted: Dec 7, 1999
Filed: Jan 30, 1998
Inventors
Isamu Hirai
Shigeru Iwamoto
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.