发明名称 |
Computer mouse assembly including a protective cover |
摘要 |
A flexible membrane extends over the upper surface of a mouse pad and a mouse resting on the pad in order to keep the mouse pad clean and prevent contamination of the mouse ball with dirt and other foreign matter. |
申请公布号 |
US6043808(A) |
申请公布日期 |
2000.03.28 |
申请号 |
US19980134230 |
申请日期 |
1998.08.14 |
申请人 |
PERRY, ROBERT C. |
发明人 |
PERRY, ROBERT C. |
分类号 |
G06F3/033;G06F3/039;(IPC1-7):G09G5/08 |
主分类号 |
G06F3/033 |
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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