Granted Patent
Utility
US 6,483,649 · App. 09/745,798
Zoom lens system
Inventor:
Hiroyasu Ozaki
Patented Case
View Patent ↗
Granted: Nov 19, 2002
Filed: Dec 26, 2000
Inventor
Hiroyasu Ozaki
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.