4. Communications: electrical
  5. Condition responsive indicating system
  6. Specific condition

Richard D. Umphress

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Magnetic disk with boron carbide overcoat layer

Stock material or miscellaneous articles – Circular sheet or circular blank – Recording medium or carrier
Patent

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Magnetic recorder having MR read and inductive write capability

Communications: electrical – Condition responsive indicating system – Specific condition
Patent

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Profile ID: LFUS-PAI-P-1434126

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