Granted Patent
Utility
US 5,265,266 · App. 07/679,400
Resistive planar star double-balanced mixer
Inventor:
Trang N. Trinh
Patented Case
View Patent ↗
Granted: Nov 23, 1993
Filed: Apr 2, 1991
Inventor
Trang N. Trinh
Assignee (at issue)
Rockwell International Corporation
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.