Granted Patent
Utility
US 5,891,449 · App. 08/632,435
Skin cleaning agents, a process for their production and their use
Inventors:
Gunter Daniel, Volker Rosenberger, Beatrice Brucher
Patented Case
View Patent ↗
Granted: Apr 6, 1999
Filed: May 31, 1996
Inventors
Gunter Daniel
Volker Rosenberger
Beatrice Brucher
Assignee (at issue)
Stockhausen GmbH & Co. KG
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.