4. Wells
  5. Valves, closures or changeable restrictors

Charles E. Gray, deceased

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Combined well casing spider and elevator

Buckles – buttons – clasps – etc. – Strap-end-attaching devices – Buckle connected
Patent

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Surface casing stabilizer and hanger and method of employing the

Wells – Valves – closures or changeable restrictors
Patent

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Well casing spider

Buckles – buttons – clasps – etc. – Strap-end-attaching devices – Buckle connected
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

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Profile ID: LFUS-PAI-P-2007778

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