Transportation – Watercraft or hull – Longitudinal planing steps or strakes on bottom
Patent
1988-10-25
1991-01-01
Chin, Kay H.
Transportation
Watercraft or hull
Longitudinal planing steps or strakes on bottom
D12300
Patent
active
D03133893
REFERENCES:
patent: D229106 (1973-11-01), Davidson
patent: D238863 (1976-02-01), Alter
Boating, Oct. 1980, p. 34, "Sleek"' Sportboat.
Porsche Ferdinand A.
Schwamkrug Christian
Tragatschnig Joerg
Chin Kay H.
Kineo Boote Handelsges.M.B.H. & Co. KG
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