发明名称 Personal lockable alarm device
摘要 A personal lockable alarm device may be lockably attached to either an ankle or a wrist to produce a loud noise when activated, and may not be deactivated or removed from the ankle or wrist until a code is entered into a locking mechanism of the device.
申请公布号 US5471199(A) 申请公布日期 1995.11.28
申请号 US19940253901 申请日期 1994.06.03
申请人 YUAN, ZHIPING 发明人 YUAN, ZHIPING
分类号 G08B15/00;(IPC1-7):G08B15/00 主分类号 G08B15/00
代理机构 代理人
主权项
地址