| 发明名称 |
Audience seating system |
| 摘要 |
An audience seating system including at least two platforms having a leg receiver at their rear margin and a leg supporting a protrusion engageable into a recess in the leg receiver and lockable by moving the leg from a non vertical orientation to a generally vertical orientation.
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| 申请公布号 |
US6922947(B2) |
申请公布日期 |
2005.08.02 |
| 申请号 |
US20040819057 |
申请日期 |
2004.04.06 |
| 申请人 |
WENGER CORPORATION |
发明人 |
JINES MICHAEL D.;WIESE STEVEN E. |
| 分类号 |
A47C1/12;E04H3/12;E04H3/26;E04H3/30;(IPC1-7):E04H3/12 |
主分类号 |
A47C1/12 |
| 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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