Granted Patent
Utility
US 6,483,170 · App. 09/975,519
RF power transistor
Inventor:
Ted Johansson
Patented Case
View Patent ↗
Granted: Nov 19, 2002
Filed: Oct 10, 2001
Inventor
Ted Johansson
Assignee (at issue)
TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
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.