Orval Leroy Lewis (July 27, 1916 - October 20, 1988) was an American mechanical and chemical engineer, and business executive, who served as president of the American Society of Mechanical Engineers (ASME) in the year 1978-79.
Orval Leroy Lewis (July 27, 1916 - October 20, 1988) was an American mechanical and chemical engineer, and business executive, who served as president of the American Society of Mechanical Engineers (ASME) in the year 1978-79. (en)
Orval Leroy Lewis (July 27, 1916 - October 20, 1988) was an American mechanical and chemical engineer, and business executive, who served as president of the American Society of Mechanical Engineers (ASME) in the year 1978-79. (en)