Granted Patent
Utility
US 6,305,578 · App. 09/673,932
Device for mixing, foaming and dispensing liquids from separate compressed-gas containers
Inventors:
Bodo Hildebrandt, Johannes Burghaus, Heiko Eberhardt, Udo Kohn, Joerg Mayer
Patented Case
View Patent ↗
Granted: Oct 23, 2001
Filed: Dec 18, 2000
Inventors
Bodo Hildebrandt
Johannes Burghaus
Heiko Eberhardt
Udo Kohn
Joerg Mayer
Assignee (at issue)
Wella GmbH
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.