All Patents in class 470/99 |
Patents 1 -
10
of 24
      |
Picture | Number | Date | Patentee | Title |
 | 70,862 | Nov. 12, 1867 | J. Kirkley | Improved nut-tapping machines |
 | 140,727 | Jul. 08, 1873 | S.W. Putnam, Jr. | Improvement in nut-tapping machines |
| 140,780 | Jul. 15, 1873 | A. Webster, G.B. Jaycox | Screw-Cutting Machines |
| 230,825 | Aug. 03, 1880 | I.S. Schuyler | Machine for Cutting Screw Threads |
| 311,099 | Jan. 20, 1885 | E.P. Baville | Machine for Threading Screws Bolts and Nuts |
| 317,209 | May 05, 1885 | L.C. Rodier | Lathe |
| 794,543 | Jul. 11, 1905 | I.F. Peck, C. Hird | Making bobbins |
 | 1,122,910 | Dec. 29, 1914 | R.H. Grant | Multiple-drilling machine |
 | 1,254,709 | Jan. 29, 1918 | O. Anderson, D. Levinger | Tapping Machine |
 | 1,535,267 | Apr. 28, 1925 | J.J. Thacher | Spindle-stop mechanism |