4. Machines not elsewhere specified
  5. Material working, abrading, or founding machinery
  6. Abrading

Daniel E Andrews

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Alignment markings for lens blanks

Machines not elsewhere specified – Material working – abrading – or founding machinery – Abrading
Design Patent

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Alignment markings for lens blanks

Machines not elsewhere specified – Material working – abrading – or founding machinery – Abrading
Design Patent

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Alignment markings for lens blanks

Machines not elsewhere specified – Material working – abrading – or founding machinery – Abrading
Design Patent

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System and method for aligning reference marks on a lens...

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Ophthalmic lenses or blanks
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2907828

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