U.S. federal trademark · Serial No. 75295435 · Reg. No. 2248646
design of computer software for use in engineering control systems for refinery processes and consultation concerning engineering control systems for refinery processes for others; and consulting services in the field of engineering control systems for refinery processes for others, not including signal processing hardware and software for telecommunication systems and data communications and hardware and software for teleconferencing and telephone network transmission
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