4. Implements or apparatus for applying pushing or pulling force
  5. Hoisting truck
  6. Screw

Chen S. Huang

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Mechanical jack

Implements or apparatus for applying pushing or pulling force – Single throw lever – Mechanically actuated
Patent

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Mechanical jack

Implements or apparatus for applying pushing or pulling force – Hoisting truck – Screw
Patent

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Power screwdriver

Tool driving or impacting – Automatic control of power operated means – Drive means responsive to torque or speed condition
Patent

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Power wrench

Illumination – With implement or hand held holder therefor – Hand tool
Patent

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Profile ID: LFUS-PAI-P-1036232

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