发明授权
- 专利标题: Rising table question and answer game
- 专利标题(中): 升级问题和解答游戏
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申请号: US3511505D申请日: 1968-03-26
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公开(公告)号: US3511505A公开(公告)日: 1970-05-12
- 发明人: LYSAGHT JOSEPH R , LYSAGHT MYRNA
- 申请人: JOSEPH R LYSAGHT , MYRNA LYSAGHT
- 专利权人: Joseph R Lysaght,Myrna Lysaght
- 当前专利权人: Joseph R Lysaght,Myrna Lysaght
- 优先权: US71609768 1968-03-26
- 主分类号: A63F9/18
- IPC分类号: A63F9/18
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