| 发明名称 |
Carpenter's pencil retracting device |
| 摘要 |
A belt held retractor has a wire connected to a tubing that holds a carpenter's pencil.
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| 申请公布号 |
US6499899(B2) |
申请公布日期 |
2002.12.31 |
| 申请号 |
US20010899389 |
申请日期 |
2001.07.05 |
| 申请人 |
SAWYER DENNIS |
发明人 |
SAWYER DENNIS |
| 分类号 |
B43K23/00;(IPC1-7):B43K23/02 |
主分类号 |
B43K23/00 |
| 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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