Granted Patent
Utility
US 5,361,409 · App. 08/004,234
FET mixer having transmission line transformer
Inventor:
Michael Wendell Vice
Patented Case
View Patent ↗
Granted: Nov 1, 1994
Filed: Jan 14, 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.