Granted Patent
Utility
US 4,602,229 · App. 06/567,436
Resonant bandpass T filter and power splitter
Inventors:
Francis R. Yester, Jr., Mark A. Gannon
Patented Case
View Patent ↗
Granted: Jul 22, 1986
Filed: Dec 30, 1983
Inventors
Francis R. Yester, Jr.
Mark A. Gannon
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.