4. Photocopying
  5. Contact printing
  6. Light boxes

Joseph A. Seyfried

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Active airflow system for development apparatus

Photocopying – Contact printing – Light boxes
Patent

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Apparatus for storing marking particles

Receptacles – Closures – Removable closure retained by adhesive or fusion means
Patent

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Connection between movable developer unit and stationary toner r

Photocopying – Contact printing – Light boxes
Patent

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Developer unit having an indexable magnet

Coating apparatus – With means to apply electrical and/or radiant energy to work... – With electromagnetic and/or electrostatic removal of...
Patent

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Retractable development apparatus

Photocopying – Contact printing – Light boxes
Patent

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Profile ID: LFUS-PAI-P-274261

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