Buoys – rafts – and aquatic devices – Water rescue or life protecting apparatus – Personal flotation device
Patent
1999-01-15
2000-05-02
Avila, Stephen
Buoys, rafts, and aquatic devices
Water rescue or life protecting apparatus
Personal flotation device
B63C 908
Patent
active
060566124
ABSTRACT:
An upper arm swimming aid in the form of an endless water-impermeable and air-permeable strip adapted to surround an upper arm of a wearer. The strip is formed with at least 2 inflatable segments and at least one noninflatable segments from air chambers whose seams or edges adjoin in rounded corners. The rounded corners prevent injury to the wearer.
REFERENCES:
patent: 3775788 (1973-12-01), Markwitz
patent: 4936806 (1990-06-01), Rudy
patent: 5190489 (1993-03-01), Yeung
Avila Stephen
Bema Markwitz International GmbH
Dubno Herbert
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