Granted Patent
Utility
US 6,440,290 · App. 09/729,567
Method for surface treating aluminum products
Inventors:
Luis Fanor Vega, Kevin M. Robare, Mark A. Holtz, John R. Grassi, Neal Richard Dando
Patented Case
View Patent ↗
Granted: Aug 27, 2002
Filed: Dec 4, 2000
Inventors
Luis Fanor Vega
Kevin M. Robare
Mark A. Holtz
John R. Grassi
Neal Richard Dando
Assignee (at issue)
ALCOA 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.