Granted Patent
Utility
US 6,603,383 · App. 10/036,665
Multilayer balun transformer structure
Inventors:
Spartak Gevorgian, Charlotta Hedenäs, Harald Jacobsson, Håkan Berg
Patented Case
View Patent ↗
Granted: Aug 5, 2003
Filed: Dec 21, 2001
Inventors
Spartak Gevorgian
Charlotta Hedenäs
Harald Jacobsson
Håkan Berg
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.