Granted Patent
Utility
US 6,339,402 · App. 09/746,570
Low profile tunable circularly polarized antenna
Inventor:
Patrick McKivergan
Patented Case
View Patent ↗
Granted: Jan 15, 2002
Filed: Dec 21, 2000
Inventor
Patrick McKivergan
Assignee (at issue)
RangeStar Wireless, 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.