U.S. federal trademark · Serial No. 99705016
Insulating materials made of copper clad alumina substrate; Insulating materials made of copper clad silicon nitride substrate; Insulating materials made of copper clad aluminum nitride substrate; Insulation elements with current conductors made of copper on ceramic alloys, namely, thermally conductive and electrically insulating materials; Insulating materials with thermal conductor made of copper on ceramic alloy
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