Author: Norman W. Henley & Co. (New York); George M. Hopkins, Albert A. Hopkins
Title: Inventor's Manual: How to Make a Patent Pay. By an Experienced and Successful Inventor
Description: New York: Norman W. Henley & Co. [1924]. Prospectus. 8vo. Single Folded Page, Very Good. This is the Prospectus for a book, not the book itself. .

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