Granted Patent
Utility
US 6,809,368 · App. 09/832,605
TTO nitride liner for improved collar protection and TTO reliability
Inventors:
Rama Divakaruni, Thomas W. Dyer, Rajeev Malik, Jack A. Mandelman, Venkatachalam C. Jaiprakash
Patented Case
View Patent ↗
Granted: Oct 26, 2004
Filed: Apr 11, 2001
Inventors
Rama Divakaruni
Thomas W. Dyer
Rajeev Malik
Jack A. Mandelman
Venkatachalam C. Jaiprakash
Assignee (at issue)
International Business Machines 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.