Granted Patent
Utility
US 4,634,261 · App. 06/719,631
Optical system for reproducing apparatus
Inventor:
Mitsuru Nagoshi
Patented Case
View Patent ↗
Granted: Jan 6, 1987
Filed: Apr 4, 1985
Inventor
Mitsuru Nagoshi
Assignee (at issue)
Konishiroku Photo Industry Co., Ltd.
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.