Assignee

GRANGER BÉRANGÈRE

FR·1 granted patent·1 citations·filing 2012–2012

Technology mixA61B1 G02C1

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1 record

0149US8814361B2Method for determining the acceptance of progressive addition lensesGRANGER BÉRANGÈRE·Filed 2012·Granted Aug 26, 2014·1 cites·14 claims

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