4. Music
  5. Instruments
  6. Drum and cymbal beaters

Robert W. Horn

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Acoustic guitar resonator

Music – Instruments – Stringed
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Adjustable drum pedal assembly

Music – Instruments – Drum and cymbal beaters
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Adjustable venturi for a drum

Music – Instruments – Drums
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Algorithmic combo-instrument slide ruler for musical reference

Music – Accessories – Teaching devices
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Apparatus and method for controlling fan drive in computer...

Electricity: motive power systems – Positional servo systems – Pulse-width modulated power input to motor
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Profile ID: LFUS-PAI-P-2360869

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