Granted Patent
Utility
US 4,540,249 · App. 06/391,828
Wide angle zoom lens
Inventor:
Satoshi Mogami
Patented Case
View Patent ↗
Granted: Sep 10, 1985
Filed: Jun 24, 1982
Inventor
Satoshi Mogami
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.