RP

Ryszard Zbigniew Popik

📍 Brampton, CA: #478 of 1,005 inventorsTop 50%
Overall (All Time): #3,317,080 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7487633 Device for exhaust gas purification for spark-ignited engines Janusz Popik, Justin Xiaogang Yao 2009-02-10