Granted Patent
Utility
US 6,599,330 · App. 10/245,160
Method for coloring hair with removable hair color
Inventors:
Minmin Tian, Geoffrey Hawkins, Alexander Chan
Patented Case
View Patent ↗
Granted: Jul 29, 2003
Filed: Nov 4, 2002
Inventors
Minmin Tian
Geoffrey Hawkins
Alexander Chan
Assignee (at issue)
Revlon Consumer Products Corporation
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.