Granted Patent
Utility
US 4,980,657 · App. 07/414,877
Coplanar waveguide frequency selective limiter
Inventors:
Steven N. Stitzer, John D. Adam
Patented Case
View Patent ↗
Granted: Dec 25, 1990
Filed: Sep 29, 1989
Inventors
Steven N. Stitzer
John D. Adam
Assignee (at issue)
Westinghouse Electric Company LLC
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.