4. Musical instruments
  5. Keyboard type
  6. Organ or cabinet therefor

Ronald J. Kransdorf

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Adjustable bridge for a stringed musical instrument

Music – Instruments – Stringed
Patent

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Adjustable bridge saddle

Music – Instruments – Stringed
Patent

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Alternating repeat keying signal generator

Music – Instruments
Patent

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Amplifier with multifilter

Amplifiers – With plural amplifier channels – Amplifying different frequencies in different channels
Patent

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Apparatus for measurement of soil moisture content

Optics: measuring and testing – By shade or color – With color transmitting filter
Patent

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Profile ID: LFUS-PAI-P-144948

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