Granted Patent
Utility
US 5,001,724 · App. 07/297,357
Method and apparatus for measuring phase accuracy and amplitude profile of a continuous-phase-modulated signal
Inventors:
Raymond A. Birgenheier, Richard P. Ryan
Patented Case
View Patent ↗
Granted: Mar 19, 1991
Filed: Jan 13, 1989
Inventors
Raymond A. Birgenheier
Richard P. Ryan
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.