Inventor

ANDERS HEINZ-GERHARD

DE4 patents

Patents

4 patents

US5217079AJun 8, 1993

Hydro-impulse screwing device

COOPER IND INC28 citations89

US4648282AMar 10, 1987

Power screwdriver

COOPER IND INC37 citations83

US5172772ADec 22, 1992

Hydro-impulse screw tool

COOPER IND INC11 citations70

US5060772AOct 29, 1991

Power-operated tool

COOPER IND INC14 citations68