Granted Patent
Utility
US 5,105,171 · App. 07/692,833
Coplanar waveguide directional coupler and flip-clip microwave monolithic integrated circuit assembly incorporating the coupler
Inventors:
Cheng P. Wen, Gregory Mendolia
Patented Case
View Patent ↗
Granted: Apr 14, 1992
Filed: Apr 29, 1991
Inventors
Cheng P. Wen
Gregory Mendolia
Assignee (at issue)
Hughes Aircraft Company
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.