4. Photocopying
  5. Contact printing
  6. Light boxes

William J. Royer

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Absorbent coating for contact transfer of liquid toner images

Electrophotography – Image formation – Development
Reexamination Certificate

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Acoustic wave measurement of the properties of porous materials

Measuring and testing – Vibration – Resonance – frequency – or amplitude study
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Adjustable support assembly

Photocopying – Contact printing – Light boxes
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Air conditioning device for a printer

Photocopying – Contact printing – Light boxes
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Air duct, cooling mechanism, and image forming device...

Electrophotography – Internal machine environment – Forced air circulation
Reexamination Certificate

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Profile ID: LFUS-PAI-P-35927

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