US Patent 7364294 Progressive addition lenses with reduced unwanted astigmatism
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Patent abstract
The invention provides lenses in which the maximum unwanted astigmatism is reduced and distributed over a wide area.
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US Patent 07364294 Progressive addition lenses with reduced unwanted astigmatism US Patent 7364294 Progressive addition lenses with reduced unwanted astigmatism
Infobox
Patent Number
0736429400
Patent Number
736429400
Edits on 26 Mar, 2023
Golden AI
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Patent Jurisdiction
Patent Number
073642940
Date of Patent
April 29, 2008
0Patent Application Number
115203790
Date Filed
September 13, 2006
0Official Website
Patent Primary Examiner
Edits on 26 Sep, 2022
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Infobox
Is a
Patent Jurisdiction
Patent Number
073642940
Date of Patent
April 29, 2008
0Patent Application Number
115203790
Date Filed
September 13, 2006
0Official Website
Patent Primary Examiner
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US Patent 07364294 Progressive addition lenses with reduced unwanted astigmatism
Infobox
Is a
Patent jurisdiction
Patent number
07364294
Date of patent
April 29, 2008
Patent application number
11520379
Date Filed
September 13, 2006
Patent primary examiner
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