4. Locks
  5. Operating mechanism
  6. Key

Raoul Parienti

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Automatically inflatable, deflatable and foldable solar-powered

Refrigeration – Material cooling means including gas-liquid contactor – With gas forcing or directing means
Patent

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Electronic lock

Locks – Operating mechanism – Key
Patent

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Portable foldable electronic piano

Music – Instruments – Combined
Reexamination Certificate

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Portable reading device for the blind

Education and demonstration – Communication aids for the handicapped – Tactile reading aid
Patent

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Postcard size postal article utilizing a phonographic device

Dynamic information storage or retrieval – Sound reproduction for toy or novelty device – Manual motion application
Reexamination Certificate

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Profile ID: LFUS-PAI-P-236546

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