4. Tools and hardware
  5. Handle, knob or pull
  6. Simulative

Chen Wan

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Doorknob

Tools and hardware – Handle – knob or pull – Simulative
Patent

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Method and apparatus for improving accuracy of signals delay

Miscellaneous active electrical nonlinear devices – circuits – and – Signal converting – shaping – or generating – Synchronizing
Reexamination Certificate

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Power controlling apparatus applied to biochip and operating...

Radiant energy – Photocells; circuits and apparatus – Photocell controlled circuit
Reexamination Certificate

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Profile ID: LFUS-PAI-P-933820

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