发明名称 Writing apparatus
摘要 The present invention concerns that of a new and improved apparatus which would assist a police automobile or other properly designated vehicle in ensuring that a chased vehicle would actually stop and pull over. The apparatus would comprise of two units, a main unit and a remote control transmitter. The main unit would be attached to all vehicles, while the transmitter unit would be attached to a police automobile or other properly designated vehicle. The main unit would comprise a ball shut-off valve, an electric motor, a circuit board, and power means. The transmitter would include a keyboard and pair of indicator lights.
申请公布号 US2002030580(A1) 申请公布日期 2002.03.14
申请号 US20010949174 申请日期 2001.09.07
申请人 PRUDHOLME GERALD 发明人 PRUDHOLME GERALD
分类号 B60R25/04;(IPC1-7):G05B19/00 主分类号 B60R25/04
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