U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

A self contained protective enclosure with an opening for entry and egress and a screen for ventilation and viewing.

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Assignee: Chloride Group PLC

Location: London, GB2
No. of patents: 1

Number	Title	Issue Date
4801928	Egress direction indication system An egress detection system includes an indicator unit having at least three electroluminescent lamps in a linear arrangement and circuitry for sequentially illuminating the electroluminescent lamps on a repeated basis in order from one end of the linear a...	01/31/1989