Granted Patent
Utility
US 6,515,628 · App. 09/918,374
Dual polarization patch antenna
Inventor:
Arthur Roberts
Patented Case
View Patent ↗
Granted: Feb 4, 2003
Filed: Jul 30, 2001
Inventor
Arthur Roberts
Assignee (at issue)
Andrew LLC
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.