Granted Patent
Utility
US 6,509,758 · App. 09/837,921
IC with digital and analog circuits and mixed signal I/O pins
Inventors:
Douglas S. Piasecki, Alvin Storvik
Patented Case
View Patent ↗
Granted: Jan 21, 2003
Filed: Apr 18, 2001
Inventors
Douglas S. Piasecki
Alvin Storvik
Assignee (at issue)
Cygnal Integrated Products, 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.