Transportation – Watercraft or hull – Longitudinal planing steps or strakes on bottom
Patent
1990-07-30
1992-03-24
Chin, Kay H.
Transportation
Watercraft or hull
Longitudinal planing steps or strakes on bottom
D12302
Patent
active
D03248445
REFERENCES:
patent: D219463 (1970-12-01), Diemond
patent: D219484 (1970-12-01), Lott
patent: D223268 (1972-04-01), Molzen
patent: D242993 (1977-01-01), Ross et al.
Simpson, Jr. George D.
Simpson, Sr. George D.
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