Granted Patent
Utility
US 4,287,589 · App. 06/066,528
Transmission-reception apparatus
Inventors:
Hiroya Nakamura, Yasuhide Nishida
Patented Case
View Patent ↗
Granted: Sep 1, 1981
Filed: Aug 15, 1979
Inventors
Hiroya Nakamura
Yasuhide Nishida
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.