TY  - GEN
AU  - MacCracken C.D.
AU  - MacCracken C.D.
ED  - Invention;Patents;Social problems and s/welfare
TI  - A Handbook for Inventors
SN  - 684179067
CY  - -NY.
KW  - A Handbook for Inventors : How to Protect, Patent, Finance, Develop, Manufacture, and Market Your Ideas
ER  -