Granted Patent
Utility
US 5,254,963 · App. 07/765,274
Microwave filter with a wide spurious-free band-stop response
Inventors:
Rene R. Bonetti, Albert E. Williams
Patented Case
View Patent ↗
Granted: Oct 19, 1993
Filed: Sep 25, 1991
Inventors
Rene R. Bonetti
Albert E. Williams
Assignee (at issue)
Comsat, Inc.
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.