Patents and progress :
Patents and progress : the sources and impact of advancing technology /
edited by Wroe Alderson, Vern Terpstra and Stanley J. Shapiro
- Illinois : Richord D. Irwin, c1965.
- xiv, 251 p. : 23 cm.
Patents
United_states. Inventions
United_states. United_states
Economic policy. Technological innovations
T223 / .Z1A4 1965
608.7 / P272
Patents
United_states. Inventions
United_states. United_states
Economic policy. Technological innovations
T223 / .Z1A4 1965
608.7 / P272