Buoys – rafts – and aquatic devices – Swimming aid to increase stroke efficiency – Foot attached
Patent
1995-05-10
1996-12-31
Basinger, Sherman
Buoys, rafts, and aquatic devices
Swimming aid to increase stroke efficiency
Foot attached
A63B 3111
Patent
active
055888909
ABSTRACT:
Swimmimg fin of the type having an open shoe comprising a shoe portion (201) and a blade portion (101), in which the top surface (211) of the sole of said shoe portion (201) comprises two or more longitudinal ribs (121) projecting into the interior of the shoe portion (201).
REFERENCES:
patent: 3922741 (1975-12-01), Semeia
patent: 5163859 (1992-11-01), Beltrani
patent: 5324219 (1994-06-01), Beltrani et al.
Basinger Sherman
HTM Sport S.p.A.
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