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

John J. Hart, III

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Method and system for data delivery and reproduction

Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Particular communication authentication technique
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Method for modifying optical path on optical recording...

Dynamic information storage or retrieval – Storage medium structure – Optical track structure
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Optical storage medium having distortion regions, and a...

Dynamic information storage or retrieval – Storage medium structure – Optical track structure
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Optical storage medium having distortion regions, and a...

Dynamic information storage or retrieval – Storage medium structure – Optical track structure
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Systems and methods for preventing unauthorized use of...

Electrical computers and digital processing systems: support – Data processing protection using cryptography – By stored data protection
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Profile ID: LFUS-PAI-P-2241186

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