Inventor
MARTIKAINEN KAARLO
9 patents
⚠️ This page may combine multiple inventors who share the name “MARTIKAINEN KAARLO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
WAERTSILAE OY AB
6 patentsUS4686843AAug 18, 1987
Cylinderlock-key-combination
WAERTSILAE OY AB40 citations90
US4267717AMay 19, 1981
Disc cylinder lock
WAERTSILAE OY AB27 citations81
US4127996ADec 5, 1978
Key profile system
WAERTSILAE OY AB24 citations78
US4637240AJan 20, 1987
Cylinder lock
WAERTSILAE OY AB8 citations71
US4317347AMar 2, 1982
Cylinder lock
WAERTSILAE OY AB10 citations70
US3948065AApr 6, 1976
Cylinder lock
WAERTSILAE OY AB4 citations61