ALEXANDRIA, Va., June 4 -- United States Patent no. 12,319,602, issued on June 3, was assigned to JP STILTSIN LLC (Colorado Springs, Colo.).

"Method and apparatus for treatment of an animal processing wastewater stream" was invented by Scott Frazier (Frisco, Texas) and Jon Khachaturian (New Orleans).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to the treatment of a wastewater stream that is generated from animal processing such as the processing of chicken, beef or pork. More particularly, the present invention relates to the separation of usable protein from an animal processing wastewater stream using a density modifier and a modification of the protein phase density to enhan...