Inventor's manual, how to work a patent to make it pay; a guide for inventors, in perfecting their inventions, taking out their patents, and disposing of them, and cautions as to pitfalls for the unwary (1918)

Hopkins, George M. (George Milton), 1842-1902, Hopkins, Albert A. (Albert Allis), 1869-1939, ed · New York, The Norman W. Henley publishing company · leaf 150

An illustration from Inventor's manual, how to work a patent to make it pay; a guide for inventors, in perfecting their inventions, taking out their patents, and disposing of them, and cautions as to pitfalls for the unwary, 1918, leaf 150 — 5,910 Sauk 32,869 Shawano 31,884 Sheboygan 54,888 Taylor 13,641 Trempealeau 22,928 Vernon 28,116 Walworth 29,614 Washington 23,784 Waukesha 37,IO° Waupaca 32,782 Waushara 18,886 Winnebago 62,116 Wood 30,583 WYOMING .... 145,965 Albany 11,574 Carbon 11,282 Fremont 11,822 Laramie 26,127 Sheridan…

Patents · Inventions

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Inventor's manual, how to work a patent to make it pay; a guide for inventors, in perfecting their inventions, taking out their patents, and disposing of them, and cautions as to pitfalls for the unwary (1918)

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