Granted Patent
Utility
US 5,513,390 · App. 08/149,671
Biased FET mixer
Inventor:
Michael Wendell Vice
Patented Case
View Patent ↗
Granted: Apr 30, 1996
Filed: Nov 9, 1993
Inventor
Michael Wendell Vice
Assignee (at issue)
Watkins-Johnson Company, 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.