Granted Patent
Utility
US 6,485,529 · App. 09/868,551
Agent and method for coloring fibers
Inventors:
Manuela Javet, Catherine Mueller
Patented Case
View Patent ↗
Granted: Nov 26, 2002
Filed: Jun 19, 2001
Inventors
Manuela Javet
Catherine Mueller
Assignee (at issue)
Wella 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.