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Tantech Holdings Ltd Announces Notice of Allowance from U.S. Patent and Trademark Office for Hanging Cabinet Design Patent

Tantech Holdings Ltd. - Class A Common Shares  (TANH) 
US:NASDAQ Investor Relations: tantech.cn/en/investor/annual.asp
PDF LISHUI, China, March 25, 2026 /PRNewswire/ -- Tantech Holdings Ltd (NASDAQ: TANH) (the "Company" or "Tantech"), today announced that its U.S. subsidiary, Tanhome Group I [Read more]