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PROVIEW OPTICAL GROUP CORP.
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TAINAN, TW
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Patents Grants
last 30 patents
Information
Patent Grant
Astigmia correcting eyeglasses
Patent number
7,857,448
Issue date
Dec 28, 2010
Proview Optical Group Corp.
Augustus Huang
G02 - OPTICS
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
73766408 - PROVIEW
Serial number
73766408
Filing date
Nov 30, 1988
PROVIEW OPTICAL GROUP CORP.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments