Granted Patent
Utility
US 4,417,807 · App. 06/294,393
Cleaning apparatus for recording apparatus
Inventors:
Yoshio Yamazaki, Ken Nakamura, Shigeru Inowa
Patented Case
View Patent ↗
Granted: Nov 29, 1983
Filed: Aug 19, 1981
Inventors
Yoshio Yamazaki
Ken Nakamura
Shigeru Inowa
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.