Granted Patent
Utility
US 6,288,883 · App. 09/130,734
Power input protection circuit
Inventor:
William Chen
Patented Case
View Patent ↗
Granted: Sep 11, 2001
Filed: Aug 7, 1998
Inventor
William Chen
Assignee (at issue)
Marconi Communications GmbH
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.