ALEXANDRIA, Va., Oct. 18 -- ABT Holding, Cleveland, and the University of Minnesota, St. Paul, Minnesota, have been assigned a patent (9,789,136) developed by three co-inventors for "multipotent adult stem cells and methods for isolation." The co-inventors are Leo T. Furcht, Golden Valley, Belgium, Catherine M. Verfaillie, Leuven, Belgium, and Morayma Reyes, Sammamish, Washington. The abstract states: "The invention provides isolated stem cells of non-embryonic origin that can be maintained in c . . .