Flipper for flipper swimming

Buoys – rafts – and aquatic devices – Swimming aid to increase stroke efficiency – Foot attached

Patent

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Details

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

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