RANCHO CORDOVA, Calif., Jan. 3, 2013 (GLOBE NEWSWIRE) -- ThermoGenesis Corp. (Nasdaq:KOOL), a leading supplier of enabling technologies for the processing, storage and administration of cell therapies, today said it has sold its ThermoLine plasma freezer and thawer product line to Helmer Scientific for an undisclosed sum of cash. ThermoGenesis received the payment during the quarter ended December 31, 2012.