Granted Patent
Utility
US 6,172,018 · App. 08/204,150
Mild cleaning preparations
Inventors:
Reinhard Mueller, Kurt Seidel, Detlef Hollenberg, Anja Patten
Patented Case
View Patent ↗
Granted: Jan 9, 2001
Filed: May 2, 1994
Inventors
Reinhard Mueller
Kurt Seidel
Detlef Hollenberg
Anja Patten
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.