Granted Patent
Utility
US 5,505,535 · App. 08/368,958
Camera system and photographing lens thereof
Inventors:
Masahiro Kawasaki, Hiroyuki Takahashi, Shigeru Iwamoto
Patented Case
View Patent ↗
Granted: Apr 9, 1996
Filed: Jan 5, 1995
Inventors
Masahiro Kawasaki
Hiroyuki Takahashi
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.