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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0436790 (1995-05-08) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 18 인용 특허 : 0 |
A ski board device includes a beam having two hubs disposed on the two ends. A pair of ski boards each includes a shaft extended upward and engaged upward through the hubs so as to allow free rotation in the hubs. A pair of foot supports secured on top of the shafts and rotated in concert with the s
A ski board combination comprising: a beam including two ends each having a hub provided thereon, and including a middle portion, a pair of ski boards each including a shaft extended upward therefrom and engaged upward through one of said hubs so as to allow free rotation of each of said ski boards
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