Be an Inventor (Weekly Reader Presents)
Books / Paperback
Books › Juvenile Nonfiction › General
ISBN: 0152059512 / Publisher: Harcourt, November 1987
A manual, designed to inspire inventive thinking, with descriptions of a variety of inventions and i...
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A manual, designed to inspire inventive thinking, with descriptions of a variety of inventions and information on patenting, marketing, and selling one's inventions.
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