4. Electricity: measuring and testing
  5. Measuring, testing, or sensing electricity, per se
  6. Magnetic saturation

James E. Hansen

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A.C. motor starting system

Electricity: motive power systems – Motor-reversing – Armature or primary circuit control
Patent

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Bicycle seat

Chairs and seats – Straddle seat – Sectional or split relatively movable supporting surface
Patent

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Bicycle seat

Furnishings – Furniture – freestanding support – or frame therefor – Seating unit
Patent

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Bottom hole oil well pump

Pumps – Motor driven – Electric or magnetic motor
Patent

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Carousel well rig

Boring or penetrating the earth – With magazine for successively moving unconnected – oriented...
Patent

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Profile ID: LFUS-PAI-P-252726

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