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 110
u desire, read the back numbers ofThe Scientific American. Do not expect us to do thework for you unless you send a small remittance. To find the area of an ellipsis, multiply the long diam-eter by the short diameter and by .7854; the product willbe the area. Never relate your misfortunes, and… … WHERE TO GO FOR PATENTS. 107 [From The Scientific American.] RELATIIfG TO PATENTS. T may be well for partieswho are interested in newinventions to remember thatour firm of Munn & Co. havetaken out far more patents,and have, therefore, hadmuch greater experience inthe profession, than any…
Patents
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
