ALEXANDRIA, Va., March 19 -- United States Patent no. 12,254,611, issued on March 18, was assigned to Digimarc Corp. (Beaverton, Ore.).

"Information-client server built on a rapid material identification platform" was invented by Geoffrey B. Rhoads (West Linn, Ore.), Tony F. Rodriguez (Portland, Ore.), David A. Cushman (McMinnville, Ore.) and William Y. Conwell (Portland, Ore.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Items are identified in a waste stream for purposes of recycling, using deterministic and/or probabilistic techniques. Imagery of the waste stream from multiple viewpoints permit creation of a 3D depth draped image representation, from which one or more 2D planes can be synthesized. Phase-...