Granted Patent
Utility
US 6,765,292 · App. 10/316,249
Contact structure for semiconductor device
Inventors:
Chuan Cheah, Bharat Shivkumar
Patented Case
View Patent ↗
Granted: Jul 20, 2004
Filed: Dec 10, 2002
Inventors
Chuan Cheah
Bharat Shivkumar
Assignee (at issue)
International Rectifier 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.