| 发明名称 |
Method of making retroreflective sheeting and articles |
| 摘要 |
The invention relates to a method of making retroreflective sheeting and other articles prepared from casting a moldable synthetic resin onto a tool having a microstructured surface.
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| 申请公布号 |
US7458694(B2) |
申请公布日期 |
2008.12.02 |
| 申请号 |
US20070869776 |
申请日期 |
2007.10.10 |
| 申请人 |
3M INNOVATIVE PROPERTIES COMPANY |
发明人 |
SMITH KENNETH L. |
| 分类号 |
G02B5/124;B29D11/00 |
主分类号 |
G02B5/124 |
| 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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