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

Donald M. Underwood

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

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Country: Brazil

Metal-to-metal sealing pipe swivel joint

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

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Subsea well casing hanger packoff system

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

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Subsea well casing hanger suspension system

E - Fixed Constructions – 21 – B
Patent

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Subsea well casing hanger suspension system

E - Fixed Constructions – 21 – B
Patent

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Profile ID: LFCA-PAI-P-1112103

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