发表于2024-12-26
Secrets from an Inventor's Notebook 2024 pdf epub mobi 电子书
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When the fuzz from his sweater was pulled off by a brick wall he was leaning against, Maurice Kanbar had a brainstorm. Soon he had patented, produced, and successfully promoted the D-Fuzz-It sweater comb, and made his first fortune at the age of twenty-two. In this engaging "master class" Kanbar's real world hits and misses illustrate the concrete steps every inventor must follow to successfully take his product to market.
Secrets from an Inventor's Notebook 2024 pdf epub mobi 电子书