Granted Patent
Utility
US 5,635,883 · App. 08/520,063
Acoustic wave filter with filter-shaping element and method
Inventors:
David Penunuri, Thomas S. Hickernell, Frederick Y. Cho
Patented Case
View Patent ↗
Granted: Jun 3, 1997
Filed: Aug 28, 1995
Inventors
David Penunuri
Thomas S. Hickernell
Frederick Y. Cho
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.