Buoys – rafts – and aquatic devices – Swimming aid to increase stroke efficiency – Foot attached
Patent
1989-03-30
1990-09-04
Peters, Jr., Joseph F.
Buoys, rafts, and aquatic devices
Swimming aid to increase stroke efficiency
Foot attached
441 61, A63B 3110
Patent
active
049541129
ABSTRACT:
A flipper for flipper swimming having a varying thickness blade of resin sheets of varying length stratified sheets interposed between longer resin sheets and a natural rubber shoe hot pressed to the blade.
REFERENCES:
patent: 3922741 (1975-12-01), Semeia
patent: 4738645 (1988-04-01), Garofalo
Chiola Roberto
Negrini Giovanni
Peters Jr. Joseph F.
Swinehart Edwin L.
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