Granted Patent
Utility
US 4,609,892 · App. 06/781,626
Stripline filter apparatus and method of making the same
Inventor:
Robert J. Higgins, Jr.
Patented Case
View Patent ↗
Granted: Sep 2, 1986
Filed: Sep 30, 1985
Inventor
Robert J. Higgins, Jr.
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.