Granted Patent
Utility
US 5,327,109 · App. 07/971,387
Block filter having high-side passband transfer function zeroes
Inventors:
Truc Hoang, Reddy Vangala, Frederick L. Sassin
Patented Case
View Patent ↗
Granted: Jul 5, 1994
Filed: Nov 4, 1992
Inventors
Truc Hoang
Reddy Vangala
Frederick L. Sassin
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.