Inventor

HETMANN RICHARD

3 patents

Patents

3 patents

US4571884AFeb 25, 1986

Arrangement for lowering and lifting of a window of a motor vehicle door

PORSCHE AG40 citations89

US4151508AApr 24, 1979

Vehicle theft protection arrangement

PORSCHE AG9 citations70

US4225008ASep 30, 1980

Theft-proof system for motor vehicles

PORSCHE AG15 citations67