ALEXANDRIA, Va., June 9 -- United States Patent no. 12,286,655, issued on April 29, was assigned to Crosswalk Therapeutics Inc. (Cambridge, Mass.).

"Human alpha-galactosidase variants" was invented by William Casey Hallows (San Francisco), Kristen Jean Vallieu (Las Vegas), Nikki Dellas (San Carlos, Calif.), Yu Zhu (Newark, Calif.), Judy Victoria Antonio Viduya (Greenbrae, Calif.), Chinping Chng (Menlo Park, Calif.), Antoinette Sero (Foster City, Calif.), Gjalt W. Huisman (Redwood City, Calif.), Rachel Cathleen Botham (Burlingame, Calif.) and Moulay Hicham Alaoui Ismaili (San Mateo, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides engineered human alpha-galactosidase polype...