Transportation – Watercraft or hull – Longitudinal planing steps or strakes on bottom
Patent
1993-06-28
1994-06-21
Chin, Kay H.
Transportation
Watercraft or hull
Longitudinal planing steps or strakes on bottom
D12310
Patent
active
D03480399
REFERENCES:
patent: D242993 (1977-01-01), Ross et al.
patent: D267170 (1982-12-01), Coulter
patent: D310656 (1990-09-01), Paine, Jr.
Burton Doane
Chin Kay H.
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