Membership
Tour
Register
Log in
Karl Johannsen
Follow
Person
Hamburg, DE
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Ship having at least one propeller nozzle unit with rudder in optim...
Patent number
4,493,660
Issue date
Jan 15, 1985
Willi Becker Ingenieurburo GmbH
Willi Becker
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT