$GTCHD SAN DIEGO, Oct. 27, 2021 (GLOBE NEWSWIRE) -- GBT Technologies Inc. (OTC PINK: GTCHD) ("GBT” or the “Company”), filed with the U.S. Patent and Trademark Office (“USPTO”) a provisional patent, USPTO application #63257199, for its long-range radio system, Infinia (Internal project’s code name), a data and voice communication system, that is operating via HF (High Frequency) radio waves.

https://www.wsj.com/articles/gbt-files-patent...28?tesla=y