Granted Patent
Utility
US 6,816,668 · App. 10/003,071
Phase shifter having differently shaped interactive elements and an antenna system formed therefrom
Inventors:
Noel McDonald, Charlie Williams
Patented Case
View Patent ↗
Granted: Nov 9, 2004
Filed: Dec 6, 2001
Inventors
Noel McDonald
Charlie Williams
Assignee (at issue)
ALCATEL
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.