Apparel – Guard or protector – For wearer's head
Patent
1990-11-15
1991-10-22
Schroeder, Werner H.
Apparel
Guard or protector
For wearer's head
2 2, 2 21A, 2 5, 2 7, 2 9, 2202, 2411, 2432, A42B 100, A42B 318
Patent
active
050582070
ABSTRACT:
A transparent face shield suitable for exposure to high temperatures, which shield is composed of a pane of polycarbonate having an exterior surface and an interior surface and a layer of gold deposited as a coating in the exterior surface by vapor deposition, together with a plastic inner pane and a PTFE foil interposed between the plastic inner pane and the interior surface of the primary pane such that the inner pane lies flat relative to said the interior surface of the primary pane.
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patent: 4800123 (1989-01-01), Boeckeler
patent: 4965887 (1990-10-01), Paoluccio
patent: 4975981 (1990-12-01), Ray
Chapman Jeanette E.
Schroeder Werner H.
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