Granted Patent
Utility
US 5,983,082 · App. 08/962,580
Phase quadrature signal generator having a variable phase shift network
Inventor:
Mark Francis Hilbert
Patented Case
View Patent ↗
Granted: Nov 9, 1999
Filed: Oct 31, 1997
Inventor
Mark Francis Hilbert
Assignee (at issue)
Motorola, 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.