Inventor

BETSCH HELMUT

3 patents

Patents

3 patents

US4614903ASep 30, 1986

Windshield wiper speed control arrangement

ITT37 citations89

US4329631AMay 11, 1982

Wiper installation for motor vehicles

ITT23 citations79

US4580203AApr 1, 1986

Illuminating device

ITT5 citations52