Granted Patent
Utility
US 5,786,943 · App. 08/702,045
Zoom lens system having a high zoom ratio
Inventors:
Tetsuya Abe, Takayuki Ito, Takashi Enomoto
Patented Case
View Patent ↗
Granted: Jul 28, 1998
Filed: Aug 23, 1996
Inventors
Tetsuya Abe
Takayuki Ito
Takashi Enomoto
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.