4. F - Mech Eng,Light,Heat,Weapons
  5. 16
  6. J

Henry W. Blackwell

F - Mech Eng,Light,Heat,Weapons – 16 – J

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Bowl and slips assembly with improved slip inserts

E - Fixed Constructions – 21 – B
Patent

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Bowl and slips assembly with improved slip inserts

E - Fixed Constructions – 21 – B
Patent

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Multiple element swab cup having uniform ratio of length to...

F - Mech Eng,Light,Heat,Weapons – 16 – J
Patent

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Oil well tool with packing means

F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent

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Oilwell swab cup

F - Mech Eng,Light,Heat,Weapons – 16 – J
Patent

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Setting tool for mechanical packer

E - Fixed Constructions – 21 – B
Patent

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Profile ID: LFCA-PAI-P-42947

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