4. Photocopying
  5. Contact printing
  6. Light boxes

John P. Marcelletti

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Automatic control of reflective-type sensors in reproduction app

Radiant energy – Photocells; circuits and apparatus – With circuit for evaluating a web – strand – strip – or sheet
Patent

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Line printhead device for nonimpact printer

Recorders – Electric recording – Electrochemical
Patent

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Magnetic brake for pivotal device

Photocopying – Contact printing – Light boxes
Patent

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Profile ID: LFUS-PAI-P-570376

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