4. Dynamic information storage or retrieval
  5. Storage medium structure
  6. Optical track structure

Peter R. Helfet

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Data storage medium

Recorders – Performance of multiple functions of steam and gas engines – Pressure responsive element
Patent

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Data storage medium

Recorders – Record receivers and/or driving means therefor – Laminated – impregnated – or coated bases
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Magneto-optic data storage technique

Dynamic information storage or retrieval – Storage medium structure – Optical track structure
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Optical data storage medium

Recorders – Record receivers and/or driving means therefor – Laminated – impregnated – or coated bases
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Optical disk manufacture

Electrolysis: processes – compositions used therein – and methods – Electroforming or composition therefor – Recording device
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Profile ID: LFUS-PAI-P-292599

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