Granted Patent
Utility
US 6,147,124 · App. 08/983,628
Pourable nacreous lustre concentrate
Inventors:
Achim Ansmann, Rolf Kawa, Helga Gondek
Patented Case
View Patent ↗
Granted: Nov 14, 2000
Filed: Apr 16, 1998
Inventors
Achim Ansmann
Rolf Kawa
Helga Gondek
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.