Transportation – Watercraft or hull – Longitudinal planing steps or strakes on bottom
Patent
1989-02-24
1991-10-01
Chin, Kay H.
Transportation
Watercraft or hull
Longitudinal planing steps or strakes on bottom
D12312, D12313
Patent
active
D03203760
REFERENCES:
patent: D245409 (1977-08-01), Bostic et al.
patent: D245902 (1977-09-01), Rogers
patent: D251834 (1979-05-01), Wood
patent: D296206 (1988-06-01), Arima
Gage Roger A.
Livingston David T.
Chin Kay H.
Lloyd Lewis L.
U.S. Marine Corporation
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