All Patents in class 148 |
Patents 1 -
15
of 46
|
Number | Date | Patentee | Title | Type |
9,159 | Jul. 27, 1852 | B.C. Leavitt | Improvement in Compounds for Uniting Steel and Iron | tool making machines |
12,691 | Apr. 10, 1855 | B.T. Norris | Machine for mortising blinds | mortising machines |
18,327 | Oct. 06, 1857 | S. Darling | Manufacture of Metallic Squares | try squares |
24,429 | Jun. 14, 1859 | J. Johnson | Improvement in Compositions for Cementing Iron | tool making machines |
24,604 | Jun. 28, 1859 | E.G. Pomeroy | Improvement in Protecting Iron from Oxidation | tool making machines |
33,315 | Sep. 17, 1861 | E.B. Wilson | Method of Annealing and Swaging Castings | tool making machines |
34,095 | Jan. 07, 1862 | J.E. Emerson, J.C. Stock | Improved process for making steel | |
41,464 | Feb. 02, 1864 | F.F. Smith | Improvement in Cooling and Tempering Cast Steel Plow Plates | plows |
52,450 | Feb. 06, 1866 | J. Russell | Process of Hardening Files | files |
60,762 | Jan. 01, 1867 | C. Manning | Improvement in tempering steel springs | |
63,487 | Apr. 02, 1867 | H. Disston | Improved Mode of Manufacturing Saw Blades | tool making machines |
67,734 | Aug. 13, 1867 | H. Disston | Improvement in Hardening and Straightening Steel Blades | tool making machines |
RE2,869 | Feb. 18, 1868 | S. Darling | Improvement in the Manufacture of Metallic Squares | try squares |
77,111 | Apr. 21, 1868 | T. Shaw | Improved Mode of Surfacing Sheet Iron and Metal Plated | tool making machines |
82,607 | Sep. 29, 1868 | F.C. Curie | Improvement in the Manufacture of Axes, Hammers, etc. | axes |