Inventor

KEINONEN ARNO

2 patents

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

ARCTIC PILOT PROJECT INC

1 patent

US4428735AJan 31, 1984

Propeller mount for icebreaker

ARCTIC PILOT PROJECT INC18 citations60

WAERTSILAE OY AB

1 patent

US4351255ASep 28, 1982

Ice-breaking ship

WAERTSILAE OY AB4 citations58