 SAN DIEGO, Oct. 05, 2021 GLOBE NEWSWIRE -- GBT Technologies Inc. OTC PINK: GTCH GBT or the Company, is researching to automate integrated circuits electrical connectivity mismatches correction to achieve faster and more efficient designs; particularly, for advanced nanometer range of 5nm and below. The projects internal code name is SIGMA. A provisional application was filed on September 27, 2021 in the U.S. Patent and Trademark Office USPTO. The application has been assigned serial number 63248550 with the USPTO. 