Granted Patent
Utility
US 4,646,150 · App. 06/816,133
Apparatus and method for stereo television sound
Inventors:
Clyde Robbins, Daniel Marz
Patented Case
View Patent ↗
Granted: Feb 24, 1987
Filed: Jan 3, 1986
Inventors
Clyde Robbins
Daniel Marz
Assignee (at issue)
General Instrument 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.