Granted Patent
Utility
US 4,696,017 · App. 06/825,478
Quadrature signal generator having digitally-controlled phase and amplitude correction
Inventors:
Michael S. Masheff, David E. Sanders
Patented Case
View Patent ↗
Granted: Sep 22, 1987
Filed: Feb 3, 1986
Inventors
Michael S. Masheff
David E. Sanders
Assignee (at issue)
E-Systems, Inc.
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.