Tantech Holdings Ltd Announces Notice of Allowance from U.S. Patent and Trademark Office for Hanging Cabinet Design Patent
LISHUI, China, March 25, 2026 /PRNewswire/ -- Tantech Holdings Ltd (NASDAQ: TANH) (the "Company" or "Tantech"), today announced that its U.S. subsidiary, Tanhome Group Inc., has received a Notice of Allowance (NOA) from the United States Patent and...
Tantech Holdings Subsidiary, Tanhome Group Inc., Receives Notice of Allowance from USPTO for "TANHOME" Trademark, Fortifying North American Green Building Strategy
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...