4. Dynamic magnetic information storage or retrieval
  5. Record transport with head stationary during transducing
  6. Drum record

John Pretto

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Adjustable mounting arrangement for magnetic head

Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Drum record
Patent

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Angle of attack indicating device

Measuring and testing – Navigation – Leeway incidence or side-slip
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Phonograph pickup arm

Dynamic information storage or retrieval – Dynamic mechanism subsystem – Specified detail of transducer assembly support structure
Patent

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Profile ID: LFUS-PAI-P-285015

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