Granted Patent
Utility
US 4,297,704 · App. 06/066,199
Phase sensitive spectrum analyzer
Inventors:
Emanuel Marom, Michael K. Barnoski, Richard L. Abrams
Patented Case
View Patent ↗
Granted: Oct 27, 1981
Filed: Aug 13, 1979
Inventors
Emanuel Marom
Michael K. Barnoski
Richard L. Abrams
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.