4. Electricity: measuring and testing
  5. Magnetic
  6. Calibration

Robert Edward Hackett

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Dampening mechanism for an image forming apparatus

Electrophotography – Image formation – Development
Reexamination Certificate

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Magnetic roller and methods of producing the same

Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – Magnet structure or material
Reexamination Certificate

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Rod and apparatus for calibrating magnetic roll testing...

Electricity: measuring and testing – Magnetic – Calibration
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2454125

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