Granted Patent
Utility
US 4,218,655 · App. 05/860,656
Method and apparatus for transmitting intelligence over a carrier wave
Inventors:
Reed H. Johnston, Dennis C. Jeffreys, Lawrence J. Stratton
Patented Case
View Patent ↗
Granted: Aug 19, 1980
Filed: Dec 14, 1977
Inventors
Reed H. Johnston
Dennis C. Jeffreys
Lawrence J. Stratton
Assignee (at issue)
New England Power Service Company
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.