Ships – Keels – Rocking
Patent
1981-10-30
1984-06-12
Barefoot, Galen L.
Ships
Keels
Rocking
114162, B63B 4100
Patent
active
044534841
ABSTRACT:
A hull (8) of a boat, having a keel (9) and a rudder (10). Both the rudder and the keel can be swung about an axis (14) extending in the longitudinal direction of the hull.
REFERENCES:
patent: 276026 (1883-04-01), Goodrich
patent: 404626 (1889-06-01), Hunt
patent: 558575 (1896-04-01), Smith
patent: 713830 (1902-11-01), York
patent: 2726621 (1955-12-01), Hill
patent: 4016824 (1977-04-01), Thyvold
Barefoot Galen L.
Sotelo Jesus D.
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