$KULR KULR Technology Group Announces Issuance of U.S. Patent Covering Risk Minimization of Fires and Explosions in Lithium-Ion Battery Packs https://www.otcmarkets.com/stock/KULR/news/KULR-Technology-Group-Announces-Issuance-of-US-Patent-Covering-Risk-Minimization-of-Fires-and-Explosions-in-Lithium-Ion-?id=269064