Granted Patent
Utility
US 6,720,798 · App. 10/158,193
Class AB digital to analog converter/line driver
Inventors:
Jan Mulder, Yee Ling Cheung
Patented Case
View Patent ↗
Granted: Apr 13, 2004
Filed: May 31, 2002
Inventors
Jan Mulder
Yee Ling Cheung
Assignee (at issue)
Broadcom Corporation
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.