4. Dispensing
  5. Automatic control
  6. Motor control

Tsang-Chang Hwang

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Automatic soap dispenser

Dispensing – Automatic control – Motor control
Patent

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Automatic soap dispensing device

Dispensing – Automatic control – Motor control
Patent

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Automatic toilet bowl cleaner

Dispensing – Resilient wall – Wall deflecting means
Patent

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Manual and automatic flow control valve

Valves and valve actuation – Fluid actuated or retarded – Pilot or servo type motor
Reexamination Certificate

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Profile ID: LFUS-PAI-P-309792

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