All Patents of Type: tool making machines |
Patents 1 -
15
of 225
|
Number | Date | Patentee | Title | Type |
4,799X | Jun. 20, 1827 | L. Hedge | Engine for dividing scales, gauges, etc. | tool making machines |
5,942X | Apr. 28, 1830 | E. L'Hommedieu | Machine for shaping hammers, spike gimlets, and rod augers | tool making machines |
6,769X | Sep. 28, 1831 | J. Richards | Punching iron or steel | tool making machines |
7,240X | Oct. 25, 1832 | J. Case | Saw gummer | tool making machines |
7,275X | Nov. 02, 1832 | D. Hinman | Machine for making axes, hatchets, chisels, &c. | tool making machines |
7,400X | Jan. 31, 1833 | M.D. Whipple | Forming axe eyes | tool making machines |
7,631X | Jun. 29, 1833 | D. Hinman | Machine for forging axes | tool making machines |
8,196X | May 13, 1834 | O. Snow | Auger twisting machine | tool making machines |
8,491X | Nov. 11, 1834 | R. French | Making augers | tool making machines |
9,553X | Mar. 30, 1836 | E.K. Root | Machine for manufacturing axes | tool making machines |
699 | Apr. 21, 1838 | D.C. Stone | Machine for manufacturing axes | tool making machines |
851 | Jul. 24, 1838 | R.N. Watrous, E. L'Hommedieu | Machinery for manufacturing double-twist screw-augers | tool making machines |
1,027 | Dec. 10, 1838 | E.K. Root | Method of punching or forming the eyes of axes, hatchets, &c. | tool making machines |
1,717 | Aug. 12, 1840 | E. Carver | Machine for Cutting the Teeth of Circular Saws | annular saws |
2,656 | May 30, 1842 | R.M. Hoe | Machinery for grinding and polishing metallic surfaces, particularly saw-plates | tool making machines |