发明名称 |
Selectively removable device to promote circulation of air into and out of a hat |
摘要 |
A device for allowing air to circulate is disclosed. An embodiment of the device has a base having an arcuate first side and a second side. The second side has a rib extending from the second side. The device also has a surface adapted for attaching the base to a hat.
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申请公布号 |
US6598237(B2) |
申请公布日期 |
2003.07.29 |
申请号 |
US20020123678 |
申请日期 |
2002.04.16 |
申请人 |
HELD WILLIAM T. |
发明人 |
HELD WILLIAM T. |
分类号 |
A42C5/04;(IPC1-7):A42C5/04 |
主分类号 |
A42C5/04 |
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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