发明名称 |
Versatile plurality mixer with rapid chance lot cycling and locking means |
摘要 |
According to the present invention a portable hand held indicia selector is provided comprising an enclosed mixing housing with multiple numbered indicia spheres contained within the housing. The spheres are directed into a defined area of the mixing housing for viewing so that the directed numbered indicia may be used by the user to randomly select numbers. The housing has incorporated in it a locking device so that the directed numbered indicia are locked into position and may be released by the user into the mixing housing.
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申请公布号 |
US4509755(A) |
申请公布日期 |
1985.04.09 |
申请号 |
US19840607591 |
申请日期 |
1984.05.07 |
申请人 |
CHEATHAM, JAMES S. |
发明人 |
CHEATHAM, JAMES S. |
分类号 |
A63F7/04;G07C15/00;(IPC1-7):A63F7/04 |
主分类号 |
A63F7/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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