Granted Patent
Utility
US 4,954,796 · App. 07/230,408
Multiple resonator dielectric filter
Inventors:
Steven R. Green, David M. De Muro, Michael F. Moutrie, Raymond L. Sokola, Phillip J. Gordon
Patented Case
View Patent ↗
Granted: Sep 4, 1990
Filed: Aug 10, 1988
Inventors
Steven R. Green
David M. De Muro
Michael F. Moutrie
Raymond L. Sokola
Phillip J. Gordon
Assignee (at issue)
Motorola, 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.