4. Photocopying
  5. Contact printing
  6. Light boxes

Michael L. Shaffer

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Elevator tray position control apparatus

Photocopying – Contact printing – Light boxes
Patent

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Multi-pitch paper and image handling on seamed belt

Photocopying – Contact printing – Light boxes
Patent

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Optical safety shutoff for machine cover

Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent

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Profile ID: LFUS-PAI-P-281503

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