Granted Patent
Utility
US 6,606,800 · App. 09/936,473
Electric hair treatment appliance
Inventors:
Peter Anthes, Detlef Mattinger
Patented Case
View Patent ↗
Granted: Aug 19, 2003
Filed: Sep 13, 2001
Inventors
Peter Anthes
Detlef Mattinger
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.