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 6
SECOND EDITION REVISED AND ENLARGED Including the New 1900 Census of the United StatesBy Counties containing a Population of over ten thousand New York The Norman W. Henley Publishing Company 2 West 45th Street 1918 Copyright, 1918, by The Norman W. Henley Publishing Company Copyright, 1901, by…
Patents · Inventions
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
