Granted Patent
Utility
US 5,656,980 · App. 08/598,404
Multiple output RF filter and waveguide
Inventor:
Eric Zimmerman
Patented Case
View Patent ↗
Granted: Aug 12, 1997
Filed: Feb 8, 1996
Inventor
Eric Zimmerman
Assignee (at issue)
HARRIS 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.