Granted Patent
Utility
US 6,366,243 · App. 09/429,831
Planar antenna with two resonating frequencies
Inventors:
Anne Isohätälä, Kimmo Antila, Sauli Kivelä, Jyrki Mikkola, Suvi Tarvas
Patented Case
View Patent ↗
Granted: Apr 2, 2002
Filed: Oct 29, 1999
Inventors
Anne Isohätälä
Kimmo Antila
Sauli Kivelä
Jyrki Mikkola
Suvi Tarvas
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.