4. Acoustics
  5. Sound-modifying means
  6. Housing or enclosure

Ronald Paul Harwood

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Illuminated sign

Illumination – Light fiber – rod – or pipe – Illuminating or display apparatus
Reexamination Certificate

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Lighting device with multiple power sources and multiple...

Electric lamp and discharge devices: systems – Automatic substitution of the power supply
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Method and system of controlling lighting fixture

Data processing: generic control systems or specific application – Generic control system – apparatus or process
Reexamination Certificate

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Method and system of controlling media devices configured to...

Data processing: generic control systems or specific application – Generic control system – apparatus or process – Sequential or selective
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Pole speaker

Acoustics – Sound-modifying means – Housing or enclosure
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Profile ID: LFUS-PAI-P-2786307

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