Inventor
SEIFERT ARMIN
DE3 patents
Patents
3 patentsUS6919038B2Jul 19, 2005
Method of producing thick-walled brushes, in particular toothbrushes
SCHIFFER FA M & C83 citations93
US6374448B2Apr 23, 2002
Toothbrush
SCHIFFER FA M & C129 citations93
US6808236B2Oct 26, 2004
Method for producing brushes and apparatus for performing said method
SCHIFFER FA M & C2 citations59