Inventor

PIIROINEN PAAVO

FI3 patents

Patents

3 patents

US4902053AFeb 20, 1990

Door lock

WAERTSILAE OY AB50 citations88

US4370875AFeb 1, 1983

Slipping cylinder lock

WAERTSILAE OY AB39 citations88

US4317347AMar 2, 1982

Cylinder lock

WAERTSILAE OY AB10 citations70