Granted Patent
Utility
US 5,111,163 · App. 07/695,839
Digital FM modulator
Inventor:
Simha Erlich
Patented Case
View Patent ↗
Granted: May 5, 1992
Filed: May 6, 1991
Inventor
Simha Erlich
Assignee (at issue)
Hughes Aircraft 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.