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: Advantage Metal Systems, Inc.

Location: Brockton, MA
No. of patents: 1

Number	Title	Issue Date
5217319	Metal tactile edge-warning strip A tactile edge-warning strip made from a sheet-metal strip having a series of projections formed in the strip to present an uneven surface for tactile feedback. The upper surface is covered with a roughened coating to inhibit slipping. The strip further i...	06/08/1993