US Patent 11333877 Handheld magnifying lens
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Cheng-Wei Su0
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US Patent 11333877 Handheld magnifying lens
Article
An handheld magnifying lens includes a body and a lens. The body includes a lens frame. The lens is arranged in the lens frame and has a convex curved surface and a concave curved surface opposite to the convex curved surface. A curvature radius of the convex curved surface is less than a curvature radius of the concave curved surface to avoid glare.
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Patent jurisdiction
Patent number
11333877
Date of patent
May 17, 2022
Patent application number
17128385
Date Filed
December 21, 2020
Patent primary examiner
CPC Code
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