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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0831405 (1977-09-08) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 8 인용 특허 : 1 |
A device to be towed through the water by a boat and which in turn is adapted to tow a person through the water, the body of the device having a constant buoyancy and being equipped with steering means whereby it can be maintained on the surface of the water while being towed, can be submerged while
An aquatic maneuvering device: a planing surface unit providing low resistance to movement through a body of water, means associated with said planing surface unit for moving it through the water, a portion of said planing surface unit being angularly adjustable relative to other portions thereof to
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