Granted Patent
Utility
US 6,809,686 · App. 10/172,960
Multi-band antenna
Inventors:
Xin Du, Francisco X. Gomez
Patented Case
View Patent ↗
Granted: Oct 26, 2004
Filed: Jun 17, 2002
Inventors
Xin Du
Francisco X. Gomez
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.