Granted Patent
Utility
US 6,300,236 · App. 09/553,581
Copper stud structure with refractory metal liner
Inventors:
James M. E. Harper, Robert M. Geffken
Patented Case
View Patent ↗
Granted: Oct 9, 2001
Filed: Apr 20, 2000
Inventors
James M. E. Harper
Robert M. Geffken
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.