4. Machines not elsewhere specified
  5. Material working, abrading, or founding machinery
  6. Element or attachment

Frederick C. Kern

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Clamp

Machines not elsewhere specified – Material working – abrading – or founding machinery – Element or attachment
Patent

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Clamp for a mold

Machines not elsewhere specified – Material working – abrading – or founding machinery – Molding or casting
Patent

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Retainer for injection molds

Plastic article or earthenware shaping or treating: apparatus – Female mold and charger to supply fluent stock under... – With means to lock mold in closed position
Patent

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Profile ID: LFUS-PAI-P-247647

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