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-0365683 (1989-06-14) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 17 인용 특허 : 3 |
A lap tray is amenable to being rolled up into a cylindrical storable configuration, and to being unrolled into a set-up configuration. The tray includes slats mounted on one side of a layer of flexible material, and a brace assembly located on the other side of the layer of flexible material. The b
A roll-up lap tray comprising: (A) a layer of flexible material having a first surface and a second surface, said layer of flexible material being rectangular in peripheral shape and having ends and sides with said ends intersecting said sides to form corners of said rectangular shape, said flexible
※ AI-Helper는 부적절한 답변을 할 수 있습니다.