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

Herbert Jansen

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Apparatus for testing pipes by a pipe tester

Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent

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CAS bone reference and less invasive installation method...

Surgery – Diagnostic testing – Detecting nuclear – electromagnetic – or ultrasonic radiation
Reexamination Certificate

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Mechanical pipe expander

Metal deforming – By relatively receding work-engaging tool-faces – Embodying three or more tools
Patent

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Method and apparatus for the automatic control of a guided vehic

Railway switches and signals – Cab signal or train control – Speed-control systems
Patent

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Pivoted magnetic head mount with adjustable limit

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

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Profile ID: LFUS-PAI-P-442913

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