发明名称 |
Retractable screen door housing handle balancing system |
摘要 |
A horizontally extending screen door system having balancing cords that pull in a direction that opposes the force on a handle by the screen exerted by the wind up mechanism of the screen.
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申请公布号 |
US8011413(B2) |
申请公布日期 |
2011.09.06 |
申请号 |
US20060424335 |
申请日期 |
2006.06.15 |
申请人 |
SCREENLINE INNOVATIONS, INC. |
发明人 |
POPPEMA JOHN |
分类号 |
E06B9/08 |
主分类号 |
E06B9/08 |
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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