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-0485437 (1990-02-27) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 15 인용 특허 : 0 |
A multi-purpose aquatic propulsion device that may be utilized both with a water craft and separately therefrom. The device has an exhaust conduit including a check valve that permits the device to be utilized underwater. An arrangement is also provided for removably securing the housing under a wat
A multi-purpose aquatic propulsion device, in combination, comprised of: an elongated housing having a front portion and a rear portion, the housing further having an interior, the housing still further having formed in the front portion thereof a respective control depression, indicating depression
※ AI-Helper는 부적절한 답변을 할 수 있습니다.