Granted Patent
Utility
US 6,380,905 · App. 09/658,008
Planar antenna structure
Inventors:
Petteri Annamaa, Jyrki Mikkola
Patented Case
View Patent ↗
Granted: Apr 30, 2002
Filed: Sep 8, 2000
Inventors
Petteri Annamaa
Jyrki Mikkola
Assignee (at issue)
Filtronic LK Oy
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.