Inventor

HAKKARAINEN REIJO

FI3 patents

⚠️ This page may combine multiple inventors who share the name “HAKKARAINEN REIJO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

WAERTSILAE OY AB

1 patent

US4902053AFeb 20, 1990

Door lock

WAERTSILAE OY AB50 citations88

ABLOY SECURITY LTD OY

1 patent

US5205143AApr 27, 1993

Cylinder lock

ABLOY SECURITY LTD OY26 citations87

ASSA ABBY AB

1 patent

US7099474B1Aug 29, 2006

Key and lock device

ASSA ABBY AB39 citations83