Membership
Tour
Register
Log in
Sten Engwall
Follow
Person
Marsta, SE
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Self-tailing winch
Patent number
4,303,225
Issue date
Dec 1, 1981
Engwall; Sten
Sten Engwall
B66 - HOISTING LIFTING HAULING