For example, this paragraph on their website doesn't even mention iPSC as a source.
We are focused on developing universal, donorless red blood cells in order to help alleviate shortages of blood types encountered in emergency situations. Using our hemangioblast technology, we have shown that functional, oxygen-carrying erythrocytes (red blood cells) can be derived from hESCs (Blood, 112: 4475-4484, 2008) and are now optimizing the system for improved efficiency and large scale production.