4. Conveyors: power-driven
  5. With means to facilitate working, treating, or inspecting...

Donald J. Piggott

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Automatic tool changer for machine tool

Metal working – Plural diverse manufacturing apparatus including means for... – Common reciprocating support for spaced tools
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Automatic tool changer for machine tools

Material or article handling – Vertically swinging load support – Grab
Patent

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Digital data reader

Registers – Coded record sensors – Particular sensor structure
Patent

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Drill speeder for machine tools

Cutting by use of rotating axially moving tool – With signal – indicator – illuminator or optical means
Patent

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Interlock circuit for complementary electronic switches

Electricity: motive power systems – Induction motor systems – Primary circuit control
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Profile ID: LFUS-PAI-P-42896

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