Granted Patent
Utility
US 6,817,870 · App. 10/459,475
Technique for interconnecting multilayer circuit boards
Inventors:
Herman Kwong, Aneta Wyrzykowska, Luigi Difilippo
Patented Case
View Patent ↗
Granted: Nov 16, 2004
Filed: Jun 12, 2003
Inventors
Herman Kwong
Aneta Wyrzykowska
Luigi Difilippo
Assignee (at issue)
Nortel Networks Limited
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.