4. Tools
  5. Wrench, screwdriver, or driver therefor
  6. Machine

Charles W. Haynes

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Dual camming action jaw assembly and power tong

Tools – Wrench – screwdriver – or driver therefor – Machine
Patent

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Jaw assembly for power tongs and like apparatus

Tools – Wrench – screwdriver – or driver therefor – Machine
Patent

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Jaw insert for power tongs

Tools and hardware – Other tools and implements – Wrench
Patent

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Kelly and kelly drive bushing

Boring or penetrating the earth – Below-ground impact members – With releasable means to detachably retain telescoping...
Patent

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Rotary tong incorporating interchangeable jaws for drill pipe an

Tools – Wrench – screwdriver – or driver therefor – Machine
Patent

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Profile ID: LFUS-PAI-P-179427

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