Will it sell? how to determine if your invention is profitably marketable (before wasting money on a patent)

Détails bibliographiques
Auteur principal:	White, James E.
Format:	Livre
Langue:	anglais
Publié:	Okemos, Mich. J.E. White & Associates 2000.
Sujets:	Inventions > Marketing. Patents. Patent laws and legislation > United States > Popular works. New products > Marketing.