4. Geometrical instruments
  5. Gauge
  6. Spectacle

Christian Joncour

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Apparatus for centering a spectacles lens and positioning a grip

Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Objective type
Patent

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Apparatus for determining the diameter of a lens to fit an eyegl

Geometrical instruments – Gauge – Spectacle
Patent

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Apparatus for measuring the parameters required when mounting op

Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – For interpupillary distance measuring or lens positioning
Patent

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Contour reading device, in particular for eyeglass lenses

Geometrical instruments – Gauge – Spectacle
Patent

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Device for fastening a holding part on an eyeglass lens

Abrasive tool making process – material – or composition – Impregnating or coating an abrasive tool
Patent

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Profile ID: LFUS-PAI-P-319243

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