Granted Patent
Utility
US 6,483,728 · App. 10/002,856
Charge pump circuit
Inventors:
Mark G. Johnson, Joseph G. Nolan, III, Matthew P. Crowley
Patented Case
View Patent ↗
Granted: Nov 19, 2002
Filed: Nov 15, 2001
Inventors
Mark G. Johnson
Joseph G. Nolan, III
Matthew P. Crowley
Assignee (at issue)
MATRIX SEMICONDUCTOR, 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.