Membership
Tour
Register
Log in
Raymond J. Porter
Follow
Person
Panania, AU
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Self-tailing winch
Patent number
4,230,306
Issue date
Oct 28, 1980
Barlow Marine Limited
Raymond J. Porter
B66 - HOISTING LIFTING HAULING