4. Plastic and nonmetallic article shaping or treating: processes
  5. Optical article shaping or treating
  6. Utilizing plasma, electric, electromagnetic, particulate, or...

Ronald D. Blum

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Achromatic ophthalmic lenses

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

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Advanced electro-active optic device

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

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Advanced floor mat

Brushing – scrubbing – and general cleaning – Implements – Fabric
Reexamination Certificate

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Advanced floor mat

Communications: electrical – Visual indication
Reexamination Certificate

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Advanced floor mat

Brushing – scrubbing – and general cleaning – Implements – Fabric
Reexamination Certificate

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Profile ID: LFUS-PAI-P-82343

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