Granted Patent
Utility
US 6,686,873 · App. 10/223,576
Farfield calibration method used for phased array antennas containing tunable phase shifters
Inventors:
Jaynesh Patel, Cornelis Frederick du Toit, Vincent G. Karasack
Patented Case
View Patent ↗
Granted: Feb 3, 2004
Filed: Aug 19, 2002
Inventors
Jaynesh Patel
Cornelis Frederick du Toit
Vincent G. Karasack
Assignee (at issue)
Paratek Microwave, 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.