| 发明名称 |
I-beam track with a separate attachment portion |
| 摘要 |
A dual sided extrusion, where one side has a different shape than the other side, and the extrusion is intended to be used in different orientations depending on the application. |
| 申请公布号 |
US8434728(B2) |
申请公布日期 |
2013.05.07 |
| 申请号 |
US20100749352 |
申请日期 |
2010.03.29 |
| 申请人 |
KEMPF JAMES;PRODUCTION RESOURCE GROUP, LLC |
发明人 |
KEMPF JAMES |
| 分类号 |
A47H1/10 |
主分类号 |
A47H1/10 |
| 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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