Granted Patent
Utility
US 4,639,786 · App. 06/790,458
Television sound signal processor
Inventors:
Gregory G. Tamer, David E. Hollinden
Patented Case
View Patent ↗
Granted: Jan 27, 1987
Filed: Oct 23, 1985
Inventors
Gregory G. Tamer
David E. Hollinden
Assignee (at issue)
RCA 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.