4. Electric heating
  5. Metal heating
  6. By arc

Timothy A. Ferris

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Continuous digital offset cancellation

Dynamic magnetic information storage or retrieval – General processing of a digital signal
Reexamination Certificate

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Control for gas metal arc welding system

Electric heating – Metal heating – By arc
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Disk drive adjusting gain of shock detector relative to...

Dynamic magnetic information storage or retrieval – General recording or reproducing – Recording-or erasing-prevention
Reexamination Certificate

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Disk drive compensating for rotational vibrations, physical...

Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism – Controlling the head
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Disk drive comprising a programmable inverting voltage...

Dynamic magnetic information storage or retrieval – General processing of a digital signal – Head amplifier circuit
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Profile ID: LFUS-PAI-P-1060551

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