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-0572412 (1990-08-27) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 15 인용 특허 : 1 |
A writing system is provided for use in both dry and wet environments and includes a holder adapted to be releasably supported by a wall surface and defining pen and note pad receptacles. The holder forms a perforate bottom wall permitting drainage of water from the receptacles. One receptacle suppo
A writing system for use in environments that may become wet, comprising: (a) a holder adapted to be releasable supported by a wall surface and forming upwardly opening note pad and pen receptacles, said holder having drain means for draining water from each of said note pad and pen receptacles; (b)
※ AI-Helper는 부적절한 답변을 할 수 있습니다.