Granted Patent
Utility
US 6,507,223 · App. 09/790,780
Differential line driver having adjustable common mode operation
Inventor:
Matthew D. Felder
Patented Case
View Patent ↗
Granted: Jan 14, 2003
Filed: Feb 22, 2001
Inventor
Matthew D. Felder
Assignee (at issue)
SIGMATEL, INC.
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.