Granted Patent
Utility
US 5,646,809 · App. 08/520,218
High voltage tolerant CMOS input/output pad circuits
Inventors:
Gordon W. Motley, Peter Meier, David S. Maitland
Patented Case
View Patent ↗
Granted: Jul 8, 1997
Filed: Aug 28, 1995
Inventors
Gordon W. Motley
Peter Meier
David S. Maitland
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.