Granted Patent
Utility
US 6,333,040 · App. 09/381,406
Cosmetic preparations
Inventors:
Norbert Boyxen, Ansgar Behler, Hermann Hensen, Werner Seipel
Patented Case
View Patent ↗
Granted: Dec 25, 2001
Filed: Dec 6, 1999
Inventors
Norbert Boyxen
Ansgar Behler
Hermann Hensen
Werner Seipel
Assignee (at issue)
Henkel Kommanditgesellschaft auf Aktien
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.