Granted Patent
Utility
US 6,552,686 · App. 09/953,353
Internal multi-band antenna with improved radiation efficiency
Inventors:
Jani Ollikainen, Antero Lehtola
Patented Case
View Patent ↗
Granted: Apr 22, 2003
Filed: Sep 14, 2001
Inventors
Jani Ollikainen
Antero Lehtola
Assignee (at issue)
Nokia
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.