4. Photocopying
  5. Contact printing
  6. Light boxes

Donald C. Buch

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Apparatus and method for forming reproductions with desired marg

Photocopying – Projection printing and copying cameras – Focus or magnification control
Patent

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Apparatus for precisely adjusting the position of work...

Electrophotography – Having particular structure – Modular or displaceable
Reexamination Certificate

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Duplex scanner

Photocopying – Projection printing and copying cameras – Copying both sides of original
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-570375

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