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

Steven B. Volk

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Cartridge for miniature optical data storage disc

Dynamic optical information storage or retrieval – Optical storage medium structure – Disk cartridge
Reexamination Certificate

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Cartridge for miniature optical data storage disc

Dynamic optical information storage or retrieval – Optical storage medium structure – Disk cartridge
Reexamination Certificate

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Cell phone or other portable handset containing...

Dynamic optical information storage or retrieval – Particular cabinet structure for optical media – Capable of only accepting protected insertable single...
Reexamination Certificate

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Combination mastered and writeable medium and use in...

Cryptography – Video cryptography – Copy protection or prevention
Reexamination Certificate

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Content distribution method and apparatus

Data processing: financial – business practice – management – or co – Business processing using cryptography – Usage protection of distributed data files
Reexamination Certificate

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Profile ID: LFUS-PAI-P-158017

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