Granted Patent
Utility
US 6,781,425 · App. 10/233,862
Current-steering charge pump circuit and method of switching
Inventor:
Weimin Si
Patented Case
View Patent ↗
Granted: Aug 24, 2004
Filed: Sep 3, 2002
Inventor
Weimin Si
Assignee (at issue)
Atheros Communications, 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.