'Drill Bit with Cutting Elements Having Functionally Engineered Wear Surface' in Patent Application Approval Process

摘要

2013 MAR 20 (VerticalNews) -- By a News Reporter-Staff News Editor at Journal of Engineering -- Anpatent application by the inventors Griffo, Anthony (The Woodlands, TX); Fang, Zhigang (Salt Lake City,nUT); Denton, Robert (Pearland, TX), filed on June 26, 2007, was cleared for further review on March 7,n2013, according to news reporting originating from Washington, D.C., by VerticalNews correspondents.