By SquaredTown on January 30, 2026
LISHUI, China, Jan. 30, 2026 /PRNewswire/ -- Tantech Holdings Ltd. (Nasdaq: TANH) ("Tantech" or the "Company"), today announced that its U.S. subsidiary, Tanhome Group Inc., has received a Notice of Allowance (NOA) from the United States Patent and Trademark Office (USPTO) related to its...