4. Baths, closets, sinks, and spittoons
  5. Opener or closer for a closet seat or lid
  6. Fluid mechanism

Yu-Lan Chao

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Structure of a self-lifting toilet seat

Baths – closets – sinks – and spittoons – Opener or closer for a closet seat or lid – Fluid mechanism
Reexamination Certificate

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Toilet seat

Baths – closets – sinks – and spittoons – Opener or closer for a closet seat or lid – Fluid mechanism
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2781517

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