4. Fluid handling
  5. Systems
  6. Flow path with serial valves and/or closures

Chung-Shan Shen

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Dental floss holder

Toilet – Toothpick – Having thread holder
Reexamination Certificate

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Door closer with a pneumatic dashpot

Miscellaneous hardware (e.g. – bushing – carpet fastener – caster – Checks and closers
Patent

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Electrically operated oscillatory toothbrush

Brushing – scrubbing – and general cleaning – Machines – Brushing
Patent

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Mechanism for water supply device

Fluid handling – Systems – Flow path with serial valves and/or closures
Patent

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Mechanism for water valve

Valves and valve actuation – Mechanical movement actuator – Ratchet
Patent

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Profile ID: LFUS-PAI-P-664186

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