Press Release - SANUWAVE Health, Inc. (OTCQB: SNWV), announced today the receipt of U.S. Pat. No. 9,840,313 from the U.S. Patent and Trademark Office entitled “Cleaning and Grooming Water Submerged Structures Using Acoustic Pressure Shock Waves” that has a patent life to September 2036. https://upticknewswire.com/sanuwave-receives-...tructures/