ALEXANDRIA, Va., June 6 -- United States Patent no. 12,279,933, issued on April 22, was assigned to T.J.Smith and Nephew Ltd. (Hull, Great Britain).

"Multiple dressing negative pressure wound therapy system" was invented by Victoria Beadle (Hull, Great Britain), Sarah Jenny Collinson (Hull, Great Britain), Mark Ellerington (Hull, Great Britain), Yeswanth Gadde (Pocklington, Great Britain), Edward Yerbury Hartwell (Hull, Great Britain), William Kelbie (Inverness, Great Britain), Natasha Rose Middleton (Hull, Great Britain), Samuel John Mortimer (Kingston upon Hull, Great Britain), Stephanie Jane Noble (Hull, Great Britain), Gareth Walker (Hull, Great Britain), Fraser George Weedon (Hull, Great Britain) and Jessica Winks (North Ferriby, Grea...