Granted Patent
Utility
US 6,504,508 · App. 09/849,744
Printed circuit variable impedance transmission line antenna
Inventor:
John T. Apostolos
Patented Case
View Patent ↗
Granted: Jan 7, 2003
Filed: May 4, 2001
Inventor
John T. Apostolos
Assignee (at issue)
BAE Systems Information and Electronic Systems Integration 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.