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

Nobuo Ishihara

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Polyester decomposition process and polyester monomerization...

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Process of treating scrap or waste product containing solid...
Reexamination Certificate

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Abrasive tool making process – material – or composition – Impregnating or coating an abrasive tool
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Profile ID: LFUS-PAI-P-1248208

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