DAVID D. BRUSH holds a Bachelor of Electrical Engineering degree from the University of Minnesota and a Juris Doctor from William Mitchell College of Law (cum laude). He worked as an Engineer for Control Data Corporation where he specialized in integrated circuit design and layout, timing and logic simulation. He is a member of the Eta Kappa Nu Electrical Engineering Honors Society. Mr. Brush is experienced in patent preparation, prosecution, enforcement and licensing in the electrical, electronic, semiconductor and mechanical areas, such as IC design and fabrication, data storage, communications, industrial process sensors, plasma discharge and process inspection tools.