Granted Patent
Utility
US 5,777,581 · App. 08/568,940
Tunable microstrip patch antennas
Inventors:
James D. Lilly, Andrew Humen, Jr.
Patented Case
View Patent ↗
Granted: Jul 7, 1998
Filed: Dec 7, 1995
Inventors
James D. Lilly
Andrew Humen, Jr.
Assignee (at issue)
Atlantic Aerospace Electronics Corporation
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.