Granted Patent
Utility
US 5,793,271 · App. 08/769,614
Dual-mode cavity filter
Inventor:
Jose Luis Caceres Armendariz
Patented Case
View Patent ↗
Granted: Aug 11, 1998
Filed: Dec 18, 1996
Inventor
Jose Luis Caceres Armendariz
Assignee (at issue)
Alcatel Alsthom Compagnie Generale d'Electricite
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.