Granted Patent
Utility
US 4,540,273 · App. 06/464,903
Apparatus for driving optical system for exposure of a copying machine
Inventor:
Takashi Tamura
Patented Case
View Patent ↗
Granted: Sep 10, 1985
Filed: Feb 8, 1983
Inventor
Takashi Tamura
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.