4. Optics: eye examining, vision testing and correcting
  5. Spectacles and eyeglasses
  6. Ophthalmic lenses or blanks

David R. Preston & Associates

Law Firm

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Law Firm

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Articulated artificial finger assembly

Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Arm or component and actuator or connector therefor – Finger actuator embodied in simulated hand
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Carved pearl

Jewelry – Miscellaneous – Findings – i.e. – an incomplete ornament
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Compositions and methods for improved detection and...

Chemistry: molecular biology and microbiology – Measuring or testing process involving enzymes or... – Involving antigen-antibody binding – specific binding protein...
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Cosmetic brush with V-cut shaped bristles

Baths – closets – sinks – and spittoons – Dry closets – With heating meas
Design Patent

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Individually addressable micro-electromagnetic unit array...

Chemistry: analytical and immunological testing – Involving an insoluble carrier for immobilizing immunochemicals
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