4. Abrasive tool making process, material, or composition
  5. Impregnating or coating an abrasive tool

Charles F. Berndt

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Carbide method and article for hard finishing resulting in...

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

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Method for producing steel alloy gears

Abrasive tool making process – material – or composition – Impregnating or coating an abrasive tool
Patent

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Thermal process for selectively hardening track chain links

Metal treatment – Process of modifying or maintaining internal physical... – Heating or cooling of solid metal
Patent

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Profile ID: LFUS-PAI-P-1445300

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