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-0711453 (1991-06-06) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 20 인용 특허 : 0 |
A wheeled vehicle and propulsion device therefor is provided comprising an elongated pole, and at a first end of said pole, a handle for manipulation by the operator of the vehicle. At a second end of the pole is a ground engaging element for frictionally engaging the surface over which the vehicle
A propulsion device for a wheeled vehicle comprising: a. an elongated pole; b. a handle means for manipulation by the operator of the vehicle at a first end of said pole; c. a ground engaging means for frictionally engaging the surface over which the vehicle is to be propelled at a second end of sai
※ AI-Helper는 부적절한 답변을 할 수 있습니다.