Granted Patent
Utility
US 4,751,735 · App. 06/836,487
Stereo demodulation device
Inventors:
Shigeru Kagawa, Kazuo Tokuda
Patented Case
View Patent ↗
Granted: Jun 14, 1988
Filed: Mar 5, 1986
Inventors
Shigeru Kagawa
Kazuo Tokuda
Assignee (at issue)
NEC 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.