Granted Patent
Utility
US 4,340,297 · App. 06/123,372
Device for driving copy board of a copying machine
Inventors:
Takashi Tamura, Yasuyuki Iwai
Patented Case
View Patent ↗
Granted: Jul 20, 1982
Filed: Feb 21, 1980
Inventors
Takashi Tamura
Yasuyuki Iwai
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.