4. E - Fixed Constructions
  5. 05
  6. D

Edward J. Mcfadden

E - Fixed Constructions – 05 – D

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Hinge pin retainer

E - Fixed Constructions – 05 – D
Patent

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Rotary power slip assembly

A - Human Necessities – 47 – B
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Safety latch for well pipe elevators

E - Fixed Constructions – 21 – B
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Shock absorbing snubber for derrick hooks

B - Operations – Transporting – 64 – D
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Slip-type elevator locking mechanism

E - Fixed Constructions – 21 – B
Patent

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Profile ID: LFCA-PAI-P-332250

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