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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
|
출원번호 | US-0130996 (1993-10-04) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 16 인용 특허 : 0 |
This invention relates to a children\s playyard and in particular to one including: a central hub having a cover plate and a base, said cover plate being formed with six square openings, said base having four chambers and two recesses, each of said chambers having a circular member having a center h
A children\s playyard comprising: a central hub having a cover plate and a base, said cover plate being formed with six square openings, said base having four chambers and two recesses, each of said chambers having a circular member having a center hole; a coupling member rotatably received in each
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