Granted Patent
Utility
US 4,669,848 · App. 06/677,516
Camera having partially retractable taking optical system
Inventor:
Hiroshi Wakabayashi
Patented Case
View Patent ↗
Granted: Jun 2, 1987
Filed: Dec 3, 1984
Inventor
Hiroshi Wakabayashi
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.