ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,485,487, issued on Dec. 2, was assigned to Just Medical Devices (Tianjin) Co. Ltd. (Tianjin, China).

"Zonal trabecular uni-compartmental femoral condylar component containing zirconium-niobium alloy on oxidation layer and preparation method thereof" was invented by Wei Chen (Tianjin, China), Yu Cao (Tianjin, China), Yuejing Zhang (Tianjin, China), You Yang (Tianjin, China) and Li Li (Tianjin, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure discloses a zonal trabecular uni-compartmental femoral condylar component containing zirconium-niobium alloy on oxidation layer and preparation method, including following steps: using zirco...