Granted Patent
Utility
US 6,566,985 · App. 09/956,657
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Inventors:
Erkki Niiranen, Tapani Vistbacka
Patented Case
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Granted: May 20, 2003
Filed: Sep 19, 2001
Inventors
Erkki Niiranen
Tapani Vistbacka
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.