Windtree has a total of 59 issued or allowed patents and 17 pending patents for Istaroxime and its SERCA2a activators Windtree received recent notification of allowed Istaroxime patents for acute heart failure in Canada and Mexico The pure SERCA2a activators patent for acute heart failure was granted in Isreal WARRINGTON, Pa., Nov. 14, 2025 (GLOBE NEWSWIRE) -- Windtree Therapeutics, Inc. (“Windtree” or “the Company”) (OTCID: WINT), a diversified company with several divisions and focused on becoming a reven ...