Granted Patent
Utility
US 5,801,578 · App. 08/766,095
Charge pump circuit with source-sink current steering
Inventor:
William W. Bereza
Patented Case
View Patent ↗
Granted: Sep 1, 1998
Filed: Dec 16, 1996
Inventor
William W. Bereza
Assignee (at issue)
Nortel Networks Limited
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.