ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,558,904, issued on Feb. 24, was assigned to Entrust Corp. (Shakopee, Minn.).
"Drop-on-demand ink delivery systems and methods with tankless recirculation for card processing systems" was invented by Daniel Sarkinen (Shakopee, Minn.), Brian O'Dell (Shakopee, Minn.), Randy Jordan (Shakopee, Minn.) and Andrew Luu (Shakopee, Minn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "DOD ink delivery systems and methods are described herein that are used in DOD card printing systems of card processing systems for supplying ink for DOD printing on plastic cards. The ink delivery systems are configured to recirculate the ink without using a recirculation tank separa...