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 |
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국제특허분류(IPC7판) |
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출원번호 | US-0286675 (1994-08-05) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 63 인용 특허 : 0 |
A mobile sign with a solar panel for warning motorists of highway problems. The mobile sign comprises a wheeled vehicle, an electrically powered sign panel mounted on the wheeled vehicle, a chargeable battery for powering the sign panel, and a solar panel for charging the battery. The solar panel is
A mobile sign with solar panel for directing messages to vehicular traffic on a highway, comprising: a wheeled vehicle for carrying the sign, an electrically powered sign panel and controls thereof said electrically powered sign panel and controls are mounted on said wheeled vehicle, for displaying
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