ALEXANDRIA, Va., June 12 -- United States Patent no. 12,299,706, issued on May 13, was assigned to Fenwal Inc. (Lake Zurich, Ill.).

"Incentivization of optimal blood donation frequency" was invented by Thomas Gniadek (Deerfield, Ill.) and Kyungyoon Min (Kildeer, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Blood donation frequency is optimized by incentive structures uniquely tailored to individual blood donors. An incentive structure may include incentive offers of different values, with each value being based at least in part on the predicted quality of a blood product produced from blood donated by the donor on a particular date. The structure may alternatively or additionally include one or more i...