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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0360457 (1994-12-21) |
발명자 / 주소 |
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인용정보 | 피인용 횟수 : 43 인용 특허 : 0 |
The present invention provides an improved floatation support comprising one or more buoyant flexible foam tubes having first and second ends. A sling having first and second sides is connected to the first and second ends of the foam tube(s) so that they may be retained in a U-shape so that a perso
A flotation support including an elongate resilient and flexible foam tube folded about itself into a generally U-shaped configuration defining a pair of leg portions movable between generally parallel and generally converging portions and interconnected by a generally arcuate bight portion when in
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