4. Chain, staple, and horseshoe making
  5. Chain making
  6. Sprocket chain

Hu D. DeVall

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Apparatus for repairing chains

Chain – staple – and horseshoe making – Chain making – Sprocket chain
Patent

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Drill head assembly

Tool driving or impacting – Hammer or tool shaft reciprocated by gripping means which... – With fixed means cyclically contacted by grip structure
Patent

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Rotary valve

Fluid handling – Systems – Programmer or timer
Patent

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Profile ID: LFUS-PAI-P-1368757

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