Granted Patent
Utility
US 4,897,659 · App. 06/289,427
Communication receiver
Inventor:
Donald W. Mellon
Patented Case
View Patent ↗
Granted: Jan 30, 1990
Filed: Aug 3, 1981
Inventor
Donald W. Mellon
Assignee (at issue)
Texas Instruments Incorporated
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.