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-0193450 (1980-10-03) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 53 인용 특허 : 0 |
A portable tray for use in various activities such as study or games is disclosed. The tray includes an accessory bag located beneath the center portion of the tray, with a hinged cover which folds flat with the main portion of the base. Hinged legs are provided on the under side of the tray to prov
A portable lighted study or game tray, comprising: a planar base member of generally rectangular shape for use by a person positioned adjacent one of the long sides of the rectangle; the two corners of said base member adjacent said long side of the rectangle adjacent the user being rounded and exte
※ AI-Helper는 부적절한 답변을 할 수 있습니다.