4. Metal treatment
  5. Stock
  6. Carburized or nitrided

Carelyn E. Campbell

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Case hardened steel blades for sports equipment and method...

Metal treatment – Stock – Carburized or nitrided
Reexamination Certificate

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Process for case hardened dies in improving die life

Metal treatment – Process of modifying or maintaining internal physical... – Carburizing or nitriding using externally supplied carbon or...
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2536556

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