Granted Patent
Utility
US 4,291,341 · App. 06/066,424
Composite recording apparatus for recording information from different information sources
Inventor:
Tatsuo Yajima
Patented Case
View Patent ↗
Granted: Sep 22, 1981
Filed: Aug 14, 1979
Inventor
Tatsuo Yajima
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.