$GTCH 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 project’s 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.

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