Weekly reader presents Be an inventor

A manual, designed to inspire inventive thinking, with descriptions of a variety of inventions and information on patenting, marketing, and selling one's inventions.

Harcourt Brace Jovanovich
1987
9780152059514
book

Holdings

hidmidmiidnidwidlocation_codelocationbarcodecallnumdeweycreatedupdated
224706457978741276176815264651LIS287T0015414608 TAY60816100282491610028249
225015158006321276176815264651LIS287T0003440608 T60816101181161610118116
309669365437281562176815264651839431108000032684608 TAY60816407292551640729255
3313956671167515811768152646514529930045000130699608 TAY60816407292551640729255