4. B - Operations, Transporting
  5. 66
  6. D

Robert E. Dummer

B - Operations – Transporting – 66 – D

Inventor

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Free fall circuit for hydraulic winch

B - Operations – Transporting – 66 – D
Patent

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Head brake release with memory

E - Fixed Constructions – 21 – B
Patent

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Marine crane lifting control

B - Operations – Transporting – 66 – D
Patent

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Synchronized control system for telescoping booms

F - Mech Eng,Light,Heat,Weapons – 15 – B
Patent

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Tilt preventing system for drills

E - Fixed Constructions – 21 – B
Patent

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Profile ID: LFCA-PAI-P-313381

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