IV.- Classified list of patents, &c.—Continued. CLASS XII.-Lever, screw, and other mechanical power, as applied to pressing, weighing, raising, and moving weights. CLASS XIII.-Grinding mills and mill-gearing, containing grain mills, mechanical movements, and horse-powers, &c. CLASS XIV.-Lumber, including machines and tools for preparing and manufacturing, such as sawing, planing, mortising, shingle and stave, carpenters and coopers' implements. Troy, N. Y.. July 19 Bethel, Ohio.. Oct. 6 Fayette, Me.. Nov. 25 Zanesville, Ohio... Sept. 21 Akron, N. Y. Sept. 22 Putnam, Ohio Sept. 28 John A. Nelson & Jas. Lewisburg, Pa..... June 30 Lewiston, Pa....... July 11 IV. Classified list of patents, &e.-Continued. CLASS XV.-Stone and clay manufacture, including machines for pottery, glass making, dressing und preparing stone, cements, and other building materia's. IV.—Classified list of patents, &c.—Continued. CLASS XVI.-Leather, including tanning and dressing, manufacture of boots, shoes, saddlery, harness, &c. CLASS XVII.- Household furniture, machines, and implements for domestic purposes, including washing machines, bread and cracker machines, feather dressing, &c. IV.-Classified list of patents, &c.- Continued. CLASS XVIII.-Arts, polite, fine, and ornamental, including music, painting, sculpture, engraving, books, paper, printing, binding, jew. elry, &c. CLASS XIX.-Fire-arms and implements of war, and parts thereof, including the manufacture of shot and gunpowder. Fire-arms, loading, mode of... Fire-arms and ordnance.... Cyrus Alger... Elijah Fisher and D. H. Chamberlain. 1837. Boston, Mass.... May 30 Portsmouth, Va..... May 3 Marblehead, Mass... Oct. 20 Boston, Mass. April 17 Southbridge, Mass... July 29 Elmira, N. Y Cabotsville, Mass... April 29 Lawrenceville, Pa. Sept. 25 New ork May 8 |