4. Optics: eye examining, vision testing and correcting
  5. Spectacles and eyeglasses
  6. With support or holder

Alfons Schulte

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Method and system for performance improvement of...

Radiant energy – Photocells; circuits and apparatus – Photocell controlled circuit
Reexamination Certificate

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Process of drying sulfide ores in direct contact with hot drying

Heating – Processes of heating or heater operation – Including passing – treating or conveying gas into or through...
Patent

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Spectacle frame with securing band

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – With support or holder
Patent

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Profile ID: LFUS-PAI-P-1135488

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