Granted Patent
Utility
US 5,463,520 · App. 08/239,632
Electrostatic discharge protection with hysteresis trigger circuit
Inventor:
Dale H. Nelson
Patented Case
View Patent ↗
Granted: Oct 31, 1995
Filed: May 9, 1994
Inventor
Dale H. Nelson
Assignee (at issue)
AT & T IPM Corp.
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.