4. Metal working
  5. Method of mechanical manufacture
  6. Impeller making

Raymond P. Ristau

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Hollow metal article fabrication

Metal working – Method of mechanical manufacture – Impeller making
Patent

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Surface preparation process for deposition of ceramic coating

Cleaning and liquid contact with solids – Processes – Including application of electrical radiant or wave energy...
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1710323

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