Granted Patent
Utility
US 6,677,819 · App. 09/936,539
Power amplifier unit
Inventors:
Timo Hakala, Ossi Pollanen
Patented Case
View Patent ↗
Granted: Jan 13, 2004
Filed: Jan 16, 2002
Inventors
Timo Hakala
Ossi Pollanen
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.