4. Metal working
  5. Method of mechanical manufacture
  6. Process for making bearing or component thereof

William P. O'Donnell

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Method of manufacturing a railroad car apparatus

Metal working – Method of mechanical manufacture – Process for making bearing or component thereof
Reexamination Certificate

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Railroad car energy absorption apparatus

Railways – Track layers – Tie platers
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2453456

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