Granted Patent
Utility
US 5,834,993 · App. 08/699,748
Passive microwave structure and methods having reduced passive intermodulation
Inventors:
Michael Grall, Lee E. Coleman, Ronald M. Campbell
Patented Case
View Patent ↗
Granted: Nov 10, 1998
Filed: Aug 20, 1996
Inventors
Michael Grall
Lee E. Coleman
Ronald M. Campbell
Assignee (at issue)
HUGHES ELECTRONICS LIMITED
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.