최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0504755 (1990-04-23) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 18 인용 특허 : 0 |
A child\s walker includes pivotally connected first and second frame members which rotate with respect to one another to define an open position and a closed position. A third frame member has a tray on the front portion thereof and a rear portion which freely pivots on the first frame member. Heigh
A child\s walker, comprising a first frame member having a pair of arms connected to an upper support means and a lower support means, a second frame member having a pair of arms connected to an upper support means and a lower support means, said lower support means for said first and second frame m
※ AI-Helper는 부적절한 답변을 할 수 있습니다.