| 发明名称 |
Dominos-style mathematical operation game |
| 摘要 |
A dominos-style mathematical operation game is provided including a plurality of dominos each having a top face and a bottom face. The bottom face of each domino has a pair of equally sized sides each with a unique combination of a number indicia and a mathematical sign.
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| 申请公布号 |
US6062566(A) |
申请公布日期 |
2000.05.16 |
| 申请号 |
US19980022368 |
申请日期 |
1998.02.12 |
| 申请人 |
LEMONS, LEMUEL W. |
发明人 |
LEMONS, LEMUEL W. |
| 分类号 |
A63F3/04;A63F9/20;(IPC1-7):A63F9/20 |
主分类号 |
A63F3/04 |
| 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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