4. E - Fixed Constructions
  5. 01
  6. B

Stephen R. Kuhn

E - Fixed Constructions – 01 – B

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Inventor

Country: United States Of America

Direct support frog

E - Fixed Constructions – 01 – B
Patent

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Electrically operated railroad switch machine

B - Operations – Transporting – 61 – L
Patent

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Improved railroad spring frog

E - Fixed Constructions – 01 – B
Patent

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Pseudo heavy point frog assembly

E - Fixed Constructions – 01 – B
Patent

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Railroad frog

E - Fixed Constructions – 01 – B
Patent

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Railroad switch machine

B - Operations – Transporting – 61 – L
Patent

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Profile ID: LFCA-PAI-P-1438727

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