Granted Patent
Utility
US 4,259,741 · App. 06/017,254
Satellite relay system
Inventor:
Makoto Kawai
Patented Case
View Patent ↗
Granted: Mar 31, 1981
Filed: Mar 5, 1979
Inventor
Makoto Kawai
Assignee (at issue)
Nippon Telegraph and Telephone Public Corporation
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.