IC

Ian I. Chang

📍 North Vancouver, CA: #241 of 800 inventorsTop 35%
Overall (All Time): #1,537,050 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8901023 Synthesized hybrid rock composition, method, and article formed by the method Ross Guenther, James L. Wood, Carl E. Frahme, Robert Villwock 2014-12-02
8216955 Synthesized hybrid rock composition, method, and article formed by the method Ross Guenther, James L. Wood, Carl E. Frahme, Robert Villwock 2012-07-10
7704907 Synthesized hybrid rock composition, method, and article formed by the method Ross Guenther, James L. Wood, Carl E. Frahme, Robert Villwock 2010-04-27