$GTCH SAN DIEGO, May 11, 2021 (GLOBE NEWSWIRE) -- GBT Technologies Inc. (OTC PINK: GTCH) ("GBT” or the “Company”), filed with the UNITED STATES PATENT AND TRADEMARK OFFICE (“USPTO”)_ a patent application covering Integrated Circuits reliability verification analysis. The application has been assigned with the USPTO a serial number 17315747 and the filing date is May 10, 2021.

https://seekingalpha.com/pr/18310863-gbt-file...n-analysis