4. Electrophotography
  5. Image formation
  6. Development

John Andrew Buchanan

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Coupling mechanism for a two piece printer cartridge

Electrophotography – Having particular structure – Modular or displaceable
Reexamination Certificate

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Dynamic end-seal for toner development unit

Electrophotography – Internal machine environment – Particle or contaminant control
Reexamination Certificate

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Low friction doctor blade

Electrophotography – Image formation – Development
Patent

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Method and device for doctor blade retention

Electrophotography – Image formation – Development
Reexamination Certificate

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Optical toner low sensor

Electrophotography – Diagnostics – Consumable
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1715156

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