4. Photocopying
  5. Contact printing
  6. Light boxes

Joseph H. Lang

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Automatic copier or printer paper tray lock

Photocopying – Contact printing – Light boxes
Patent

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Charge erase device with flare light control

Photocopying – Including fiber optics
Patent

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Corona device having a beryllium copper screen

Radiant energy – Corona irradiation – Charging of moving object
Patent

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Corona generating device

Photocopying – Contact printing – Light boxes
Patent

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Digital printing apparatus with remotely selectable...

Facsimile and static presentation processing – Static presentation processing – Emulation or plural modes
Reexamination Certificate

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Profile ID: LFUS-PAI-P-361368

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