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

John Charles Hill

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Circuit protection system

Electricity: electrical systems and devices – Safety and protection of systems and devices – Feeder protection in distribution networks
Reexamination Certificate

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Process for slicing boules of single crystal material

Abrasive tool making process – material – or composition – Impregnating or coating an abrasive tool
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System and method of fast switching for spectral imaging

X-ray or gamma ray systems or devices – Electronic circuit – X-ray source power supply
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1865795

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