Granted Patent
Utility
US 6,562,154 · App. 09/591,904
Aluminum sheet products having improved fatigue crack growth resistance and methods of making same
Inventors:
Roberto J. Rioja, Robert W. Westerlund, Anne E. Roberts, Dhruba J. Chakrabarti, Diana K. Denzer, Anthony Morales, Paul E. Magnusen, Gregory B. Venema
Patented Case
View Patent ↗
Granted: May 13, 2003
Filed: Jun 12, 2000
Inventors
Roberto J. Rioja
Robert W. Westerlund
Anne E. Roberts
Dhruba J. Chakrabarti
Diana K. Denzer
Anthony Morales
Paul E. Magnusen
Gregory B. Venema
Assignee (at issue)
Aloca 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.