4. Music
  5. Instruments
  6. Drums

Andrzej Krol

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Drum head assembly and method of tensioning a drum head

Music – Instruments – Drums
Reexamination Certificate

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Multiple musical instrument holder

Music – Instruments – Drums
Patent

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Musical instrument

Music – Instruments – Rigid vibrators
Reexamination Certificate

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Musical instrument and method of making same

Music – Instruments – Rigid vibrators
Reexamination Certificate

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Rotating multi-stem instrument bracket

Music – Instruments – Drums
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1809231

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