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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0066168 (1987-06-25) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 10 인용 특허 : 0 |
A puzzle in which a plurality of object members can be rotatably manipulated in groups of four, the groups of four overlapping so that a single object member can be moved from one of the groups to another. Each of the object members has an upper surface which may be given a particular color or image
A puzzle or game for use for personal entertainment, comprising: a housing having an upper surface defining a plurality of closed movement paths; plurality of vane members mounted for rotation about fixed axes separated from each other, each vane member having a plurality of adjacent inwardly curved
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