4. Music
  5. Accessories
  6. Tuning devices

Doran M. Oster

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Capo

Music – Instruments – Stringed
Patent

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Electronic tuning device

Music – Accessories – Tuning devices
Patent

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Method and apparatus for adaptive audio resonant frequency filte

Electrical audio signal processing systems and devices – Acoustical noise or sound cancellation – Adjacent ear
Patent

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Music strings and packaging

Special receptacle or package – For a musical article
Patent

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Tuner with variable tuning window

Music – Accessories – Tuning devices
Patent

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Profile ID: LFUS-PAI-P-480786

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