ALEXANDRIA, Va., July 28 -- United States Patent no. D1,137,689, issued on July 28, was assigned to HistoSonics Inc. (Plymouth, Minn.).

"Acoustic coupling constraint for ultrasound therapy system" was invented by Justin Grumbir (Minnetonka, Minn.), Franklin Burquest (Crystal, Minn.), Jon Schell (Shoreview, Minn.), Michael Store (Hudson, Wis.), Marc Mccauley (Elk River, Minn.), Ellie Johnsen (Forest Lake, Minn.), Jonathan Bogott (Minnetonka, Minn.) and Carole Norris (Saint Paul, Minn.).

The patent was filed on Jan. 31, 2024, under Application No. D/926,715.

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