Granted Patent
Utility
US 6,150,723 · App. 08/941,857
Copper stud structure with refractory metal liner
Inventors:
James M. E. Harper, Robert M. Geffken
Patented Case
View Patent ↗
Granted: Nov 21, 2000
Filed: Sep 30, 1997
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.