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

Marvin J. Niezgocki

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Air filter system for helical scanner drum with vented drum cove

Dynamic magnetic information storage or retrieval – Record transport with head moving during transducing – Tape record
Patent

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Method of making tool to produce optical film

Metal working – Method of mechanical manufacture – Roller making
Reexamination Certificate

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Optical film

Illumination – Revolving
Reexamination Certificate

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Profile ID: LFUS-PAI-P-277252

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