Granted Patent
Utility
US 6,113,711 · App. 08/218,676
Extrusion of aluminum-lithium alloys
Inventors:
Kevin P. Armanie, Roberto J. Rioja, Diana K. Denzer, Charles E. Brooks, Walter D. Coker, Daniel K. Gadbery, Robert Keith Newell
Patented Case
View Patent ↗
Granted: Sep 5, 2000
Filed: Mar 28, 1994
Inventors
Kevin P. Armanie
Roberto J. Rioja
Diana K. Denzer
Charles E. Brooks
Walter D. Coker
Daniel K. Gadbery
Robert Keith Newell
Assignee (at issue)
Aluminum Company of America
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.