The Scientific American reference book; a compendium of useful information for inventors and mechanics, containing the complete patent laws of the United States ... forms for patents, caveats, assignments, licenses, and shop rights ... etc., etc (1876)
New York, Munn · leaf 28
y plan is oftentimes the most profitablemethod of employing patents. A Circle is the most capaciousof all plain figures, or contains thegreatest area within the same out-line or perimeter. To find the circumference of acircle, multiply the diameter by3.1416, and the product will be… … 26 FOREIGN PATENTS. FOREIGN PATENTS. SPLEXDID OPPOBTUNITIES FOR AMERICANS IN OTHER COUNTRIES. _____,__,..«^ The patent laws of Z^-^—^^^^^tZLlI^rr^ -^ various foreign coim- ~^ ^ If the home patent is likely to become valuable liere, the foreign patentwill in most casbs be of equal value. In fact,…
Patents
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