Granted Patent
Utility
US 4,366,347 · App. 06/085,683
Apparatus for selecting terminal equipment in telephone lines
Inventors:
Toshiharu Takatsuki, Ken Fujiwara, Jutaro Nomura, Shigeru Okamura
Patented Case
View Patent ↗
Granted: Dec 28, 1982
Filed: Oct 17, 1979
Inventors
Toshiharu Takatsuki
Ken Fujiwara
Jutaro Nomura
Shigeru Okamura
Assignees (at issue)
MITSUBISHI ELECTRIC CORPORATION
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.