Granted Patent
Utility
US 6,696,890 · App. 10/143,668
Differential signal transfer circuit
Inventors:
Mats Hedberg, Tord Haulin
Patented Case
View Patent ↗
Granted: Feb 24, 2004
Filed: May 8, 2002
Inventors
Mats Hedberg
Tord Haulin
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.