4. Transportation
  5. Rail vehicle
  6. Element or attachment

Frank P. Bobb

Inventor

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Adjustable clamp for supporting a railway rail

Transportation – Rail vehicle – Element or attachment
Patent

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Adjustable hook flange guard rail for use on trackwork

Railways: surface track – Guardrails – Spacers
Patent

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Railroad switch stand

Railway switches and signals – Switch stands
Reexamination Certificate

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Railroad switch stand

Railway switches and signals – Switch stands
Reexamination Certificate

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Railway switch heel block

Railway switches and signals – Crossings – frogs – and mates – Frogs
Patent

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Profile ID: LFUS-PAI-P-1174710

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