4. Printing and office machinery
  5. Printing equipment

William A. Richardson

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Calligraphic apparatus and method

Printing – Embossing or penetrating – Processes
Patent

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Calligraphic apparatus and method and engraving tool for use in

Printing – Embossing or penetrating – Processes
Patent

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Charm or the like

Jewelry – symbolic insignia – and ornaments – Jewelry – Pendant – fob or charm
Patent

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Computerized engraving machine

Printing and office machinery – Printing equipment
Patent

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Optical modulator with ringing suppression

Patent

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Profile ID: LFUS-PAI-P-227820

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