Granted Patent
Utility
US 4,576,445 · App. 06/612,069
Zoom lens
Inventor:
Kiyotaka Inadome
Patented Case
View Patent ↗
Granted: Mar 18, 1986
Filed: May 18, 1984
Inventor
Kiyotaka Inadome
Assignee (at issue)
Nippon Kogaku K.K.
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.