Granted Patent
Utility
US 4,647,864 · App. 06/854,357
Variable-delay, sine-cosine non-coherent demodulator
Inventors:
William Rafferty, Gary J. Saulnier
Patented Case
View Patent ↗
Granted: Mar 3, 1987
Filed: Apr 21, 1986
Inventors
William Rafferty
Gary J. Saulnier
Assignee (at issue)
General Electric 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.