Granted Patent
Utility
US 4,322,695 · App. 06/107,111
Planar transmission line attenuator and switch
Inventors:
Paul Fleming, Thane Smith
Patented Case
View Patent ↗
Granted: Mar 30, 1982
Filed: Dec 26, 1979
Inventors
Paul Fleming
Thane Smith
Assignee (at issue)
Communications Satellite 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.