Granted Patent
Utility
US 5,686,676 · App. 08/646,449
Process for making improved copper/tungsten composites
Inventors:
David E. Jech, Juan Sepulveda, Anthony B. Traversone
Patented Case
View Patent ↗
Granted: Nov 11, 1997
Filed: May 7, 1996
Inventors
David E. Jech
Juan Sepulveda
Anthony B. Traversone
Assignee (at issue)
BRUSH WELLMAN, INC.
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.