Granted Patent
Utility
US 5,528,447 · App. 08/315,799
5-volt tolerant bi-directional i/o pad for 3-volt-optimized integrated circuits
Inventors:
Michael J. McManus, Philip W. Bullinger, Andres Teene, Gerald R. Haag, Hoang P. Nguyen
Patented Case
View Patent ↗
Granted: Jun 18, 1996
Filed: Sep 30, 1994
Inventors
Michael J. McManus
Philip W. Bullinger
Andres Teene
Gerald R. Haag
Hoang P. Nguyen
Assignees (at issue)
AT&T Global Information Solutions Company
Hyundai Electronics America
Symbios Logic 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.