U.S. federal trademark · Serial No. 73699127 · Reg. No. 1571461
ALUMINA OXIDE -, namely, FOR USE IN MANUFACTURE AND PRODUCTION OF VACUUM TUBE ENVELOPES, R.F. WINDOWS AND INTERNAL SPACERS, HIGH VOLTAGE INSULATORS, [ PACKAGES FOR INTEGRATED CIRCUIT DEVICES, ] AND SUBSTRATES FOR MICRO-ELECTRONIC COMPONENTS, AND AS AN ELECTRICAL INSULATOR IN MECHANICAL APPLICATIONS
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.