4. Abrading
  5. Machine
  6. Rotary tool

David H. Wolff

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Apparatus and method for corrugating resharpened blades

Abrading – Abrading process – Razor – knife – or scissors sharpening
Reexamination Certificate

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Apparatus for sharpening a circular blade

Abrading – Machine – Rotary tool
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2952559

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