synonymous, an indictment for unlawful sales of "spirituous and intoxicating" liquors is not supported by proof of sales of liquors which are intoxicating but not spirituous. 1 See further CONDITION; DRUNKENNESS; LIQUOR; POLICY, Public. Finding out, by some effort of the understanding; not merely putting two things together, although never done before.9 The process of thought and experiment by which some new machine, composition, design, improvement or other article or thing is brought into existence; also, the thing itself thus produced. Commonwealth v. Livermore, 4 Gray, 20 (1855). * Stewart v. M'Kean, 29 E. L. & Eq. 391 (1855), Alderson, B. 3 [O'Donnell v. McIntyre, 16 Abb. N. Cas. 88 (1885). 43 Bl. Com. 169; 9 Ill. 170. 5 L. in ure, in operation, work, use. Preferred to enure. See 2 Bl. Com. 347. * Dickerson v. Colgrove, 100 U. S. 583, 584 (1879). F. inventer, to devise: L. in venire, to come upon, find out. • Earle v. Sawyer, 4 Mas. 5 (1825), Story, J. Useful invention. Such invention as may be applied to some beneficial use in society, in contradistinction to an invention which is injurious to the morals, the health, or the good order of society.5 All improvement is not invention; to entitle it to protection it must be the product of some exercise of the inventive faculties, and involve something more than what is obvious to persons skilled in the art.6 The improvement must be distinct from the conception which originated the original article or product. A mere carrying forward or new or more extended application of the original thought, a change only in form, proportion, or degree, the substitution of equivalents, doing substantially the same thing in the same way by substantially the same means with better results, is not such invention as will sustain a patent.7 1 Reed v. Cutter, 1 Story, 596, 599 (1841), Story, J. 2 The Stanley Works v. Sargent & Co., 8 Blatch. 346 (1871), Shipman, J. See also Smith v. Goodyear Co., 93 U. S. 495 (1876); Washburn & Moen Manuf. Co. v. Haish, 10 Biss. 72-75 (1880); Western Electric Light Co. v. Chicago Electric Light Manuf. Co., 11 id. 427 (1882); Gardner v. Herz, 118 U. S. 180 (1886), cases, Blatchford, J.; Pomace Holder Co v. Ferguson, 119 id. 338 (1886), cases. 3 Celluloid Manuf. Co. v. Zylonite Novelty Co., 30 F. R. 617 (1887). * Wilcox v. Bookwalter, 31 F. R. 229 (1887). • Bedford v. Hunt, 1 Mas. 303 (1817), Story, J.; 18 Wis. 442; 13 Ν. Η. 318. • Pearce v. Mulford, 102 U. S. 118 (1980), Strong, J. Smith v. Nichols, 21 Wall. 119 (1874), Swayne, J. See also Stephenson v. Brooklyn R. Co., 114 U. S. 154 (1885), cases. a