Granted Patent
Utility
US 5,780,897 · App. 08/555,463
ESD protection clamp for mixed voltage I/O stages using NMOS transistors
Inventor:
David Benjamin Krakauer
Patented Case
View Patent ↗
Granted: Jul 14, 1998
Filed: Nov 13, 1995
Inventor
David Benjamin Krakauer
Assignee (at issue)
Digital Equipment Corporation
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.