Granted Patent
Utility
US 6,507,469 · App. 09/880,034
Electrostatic discharge protection circuit
Inventor:
Takeshi Andoh
Patented Case
View Patent ↗
Granted: Jan 14, 2003
Filed: Jun 14, 2001
Inventor
Takeshi Andoh
Assignee (at issue)
NEC 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.