Inventor

DOBERENZ MATHIAS

DE3 patents

Patents

3 patents

US6550545B1Apr 22, 2003

Hand-held electrical combination hammer drill

HILTI AG44 citations90

US6957706B2Oct 25, 2005

Attachment member

HILTI AG22 citations89

US7044234B2May 16, 2006

Hand-held electrical combination hammer drill

HILTI AG13 citations82