4. Wells
  5. Above ground apparatus
  6. With means facilitating connecting or disconnecting...

George P. Johnson, Jr.

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Automatic drill pipe breakout

Wells – Above ground apparatus – With means facilitating connecting or disconnecting...
Patent

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High strength, quick connect/disconnect coupling

Joints and connections – Interfitted members – Including separably interposed key
Patent

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High strength, quick connect/disconnect coupling

Joints and connections – Interfitted members – Including separably interposed key
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

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Profile ID: LFUS-PAI-P-700395

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