TY  - BOOK
AU  - Schmookler,Jacob
TI  - Patents, invention, and economic change: data and selected essays
SN  - 0674657705
AV  - T212 .S36
U1  - 338.4/7/60973 
PY  - 1972///
CY  - Cambridge, Mass.
PB  - Harvard University Press
KW  - Inventions
KW  - Addresses, essays, lectures
KW  - Local
KW  - Patents
KW  - United States
KW  - Statistics
KW  - Economic development
N1  - Bibliography: p. [xiii]-xvii
ER  -