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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0634597 (1990-12-27) |
발명자 / 주소 |
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인용정보 | 피인용 횟수 : 11 인용 특허 : 0 |
A basketball retrieval and return device for use as a teaching device with a conventional basketball goal and conventional basketballs which randomly directs the returned basket-balls to a group of players circled about the basketball goal, the distance of the players from the goal being variable to
A basketball retrieval and return device for use with a conventional basketball goal including a backboard with a base and a basket, the backboard having a side behind the basket, and conventional basketballs, the device comprising: a retriever in the shape of a funnel having a front, rear and side
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