The U.S. electronics sector has been particularly successful at technological innovation since the 1940s. This paper addresses governmental policies that influence the process of technological innovation, drawing on aspects of the history of the electronics sector. Three topics receive particular attention—(1) uncertainties, ideas, and imperfect appropriability, (2) returns to R&D and associated investments, and (3) competition and selection environments. As a foundation for this discussion, several conceptual frameworks are briefly described and some classifications for innovation are explored, i.e., by importance (basic/improvement), by locus of change (process/product), by area of application (peaceful/dangerous), by locus of choice (pri...