4. Electricity: circuit makers and breakers
  5. Electric switch details
  6. Indicators

David W. Heid

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Accurate high speed absolute value circuit and method

Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
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Adapter bracket for connecting blocks

Geometrical instruments
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Air bearing slider and head Gimbal assembly

Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Drum record
Patent

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Air bearing slider and head gimbal assembly

Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Drum record
Patent

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Apparatus for cutting and shaping a spherical body

Plastic article or earthenware shaping or treating: apparatus – Former of the die expressing type making doughnut shapes
Patent

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Profile ID: LFUS-PAI-P-87989

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