Granted Patent
Utility
US 6,407,047 · App. 09/772,404
Composition for desmutting aluminum
Inventors:
Maulik Mehta, Paul Butkovsky
Patented Case
View Patent ↗
Granted: Jun 18, 2002
Filed: Jan 30, 2001
Inventors
Maulik Mehta
Paul Butkovsky
Assignee (at issue)
Atotech Deutschland GmbH
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.