| 发明名称 |
Hand-held portable road sign |
| 摘要 |
A hand-held portable sign employs pulsed light to increase visibility. A battery compartment is located remotely from the upper portion of the sign. Flaps are defined in a flexible sign expanse to allow wind to pass through.
|
| 申请公布号 |
US2002053152(A1) |
申请公布日期 |
2002.05.09 |
| 申请号 |
US20010918708 |
申请日期 |
2001.07.30 |
| 申请人 |
COLLINS RAYMOND V. |
发明人 |
COLLINS RAYMOND V. |
| 分类号 |
G08B5/00;(IPC1-7):G09F1/00;G09F7/00;G09F21/02 |
主分类号 |
G08B5/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
