4. E - Fixed Constructions
  5. 21
  6. B

Steven Hargreaves

E - Fixed Constructions – 21 – B

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Inventor

Country: Canada

Cam arm actuated backup tong

E - Fixed Constructions – 21 – B
Patent

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Internally retained jaw roller pin

E - Fixed Constructions – 21 – B
Patent

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Reduced weight power tong for turning pipe

E - Fixed Constructions – 21 – B
Patent

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Cam arm actuated backup tong

E - Fixed Constructions – 21 – B
Patent

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Profile ID: LFCA-PAI-P-1878268

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