Granted Patent
Utility
US 5,428,418 · App. 08/258,368
Operation switch of zoom lens camera
Inventor:
Toshiya Inaba
Patented Case
View Patent ↗
Granted: Jun 27, 1995
Filed: Jun 10, 1994
Inventor
Toshiya Inaba
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.