Granted Patent
Utility
US 4,547,737 · App. 06/518,806
Demodulator of sampled data FM signals from sets of four successive samples
Inventor:
John Gibson
Patented Case
View Patent ↗
Granted: Oct 15, 1985
Filed: Jul 29, 1983
Inventor
John Gibson
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.