4. Music
  5. Instruments

Harold O. Schwartz

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Action for electronic piano

Music – Instruments – General features
Patent

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Air quality control systems

Electricity: electrical systems and devices – Electric charge generating or conducting means – Modification of environmental electric charge
Patent

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Air treatment apparatus and methods

Chemical apparatus and process disinfecting – deodorizing – preser – Chemical reactor – With means applying electromagnetic wave energy or...
Reexamination Certificate

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Large scale integrated circuit chip for an electronic organ

Music – Instruments
Patent

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Large scale integrated circuit chip for an electronic organ

Music – Instruments
Patent

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Profile ID: LFUS-PAI-P-165173

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