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

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Assignee: Isotec Partners, Limited

Location: SanJose, CA
No. of patents: 1

Number	Title	Issue Date
5044737	Double axial gradient lens and process for fabrication thereof A monolithic double-axial gradient lens (30) is provided. The lens has an optic axis and three sections perpendicular to the optic axis: a first section (34) having a first graded index of refraction profile and having an outer surface, a middle section (...	09/03/1991