4. Dynamic magnetic information storage or retrieval
  5. Head
  6. Gap spacer

David E. Wachenschwanz

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Method of fabricating a magnetic discrete track recording disk

Metal working – Method of mechanical manufacture – Electrical device making
Reexamination Certificate

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Optimum control of overwrite by record gap length selection

Dynamic magnetic information storage or retrieval – Head – Gap spacer
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Patterns for pre-formatted information on magnetic hard disk...

Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism – Controlling the head
Reexamination Certificate

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Perpendicular magnetic discrete track recording disk

Etching a substrate: processes – Forming or treating article containing magnetically...
Reexamination Certificate

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Perpendicular magnetic discrete track recording disk

Etching a substrate: processes – Forming or treating article containing magnetically...
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1976710

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