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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0616955 (1984-06-04) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 4 인용 특허 : 0 |
A two-sided puzzle having a puzzle comprising puzzle members on each side thereof. One or more puzzle members on one side are each coupled to a puzzle member on the opposite side. The puzzle members are arranged or oriented on each side such that matching or assembling the puzzle members on one side
A two-sided puzzle comprising: a substantially flat support member having upper and lower side surfaces; at least one elongated slot of a finite width extending through said support member from said lower side surface to said upper side surface; at least a first plurality of separate, [flat]puzzle m
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