Granted Patent
Utility
US 6,166,570 · App. 09/304,047
Output buffer circuit with switchable common mode output level
Inventor:
Mats Hedberg
Patented Case
View Patent ↗
Granted: Dec 26, 2000
Filed: May 4, 1999
Inventor
Mats Hedberg
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.