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-0534030 (1990-06-06) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 40 인용 특허 : 6 |
A home plate having a pair of spaced apart, open slots are used in conjunction with a horizontal support member having an pedestal at each end and a single open slot along its length. A pair of bolt and wingnut combinations are used in the slots, thus connecting the horizontal support member to the
An adjustable batting tee, comprising: a home plate having first and second open slots, said slots being parallel and spaced apart: a horizontal support member of a given length and having first and second ends and also having a first pedestal at one of its said ends and having a third open slot alo
※ AI-Helper는 부적절한 답변을 할 수 있습니다.