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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0058276 (1993-05-04) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 8 인용 특허 : 0 |
A portable ball batting apparatus for attachment to a preexisting support comprises an elongated member having two ends. The elongated member is attached to one end of a resilient tether, while the other end of the resilient tether is secured to a ball. Incorporated into the elongated member is a re
A portable ball batting practice apparatus for attachment horizontally to a preexisting support, comprising; a hollow elongated member having first and second ends; a resilient tether having first and second ends; non-rotational means attaching said tether first end adjacent said first end of said e
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