Granted Patent
Utility
US 5,185,589 · App. 07/702,647
Microwave film bulk acoustic resonator and manifolded filter bank
Inventors:
S. Visvanathan Krishnaswamy, Stuart S. Horwitz, Robert A. Moore
Patented Case
View Patent ↗
Granted: Feb 9, 1993
Filed: May 17, 1991
Inventors
S. Visvanathan Krishnaswamy
Stuart S. Horwitz
Robert A. Moore
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.