4. B - Operations, Transporting
  5. 61
  6. L

David K. Fox

B - Operations – Transporting – 61 – L

Inventor

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Details

Inventor

Country: United States Of America

Extensible railroad grade crossing gate arm

B - Operations – Transporting – 61 – L
Patent

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Gate monitoring system

B - Operations – Transporting – 61 – L
Patent

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Railroad snow removal system

E - Fixed Constructions – 01 – H
Patent

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Railway snow melter duct assembly

E - Fixed Constructions – 01 – B
Patent

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Railway track switch

B - Operations – Transporting – 61 – L
Patent

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Track switch snow melter duct system with quick release joints

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

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Profile ID: LFCA-PAI-P-1243777

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