| All Patents in class 408/43 |
Patents 1 -
12
of 12
      |
| Number | Date | Patentee | Title | Type |
| 9,398X | Feb. 13, 1836 | W. Keane | Improvement in Machines for Cutting Wood and Other Screws | screw machines |
| RE2 | Apr. 16, 1838 | W. Keane | Improvement in Machines for Cutting Wood and Other Screws | screw machines |
| 26,778 | Jan. 10, 1860 | T. Mitchell | Machine for boring brush-blocks | drilling and boring |
| 115,451 | May 30, 1871 | J.N. Durrell | Improvement in machines for tapping nuts | nut or bolt making machines |
| 348,422 | Aug. 31, 1886 | W. Seng | Drilling Machine | drill presses |
| 437,291 | Sep. 30, 1890 | R.P. Curtis | Machine for Simultaneously Threading a Plurality of Bolts | metal threading machines |
| 666,217 | Jan. 15, 1901 | N.J. Hutchinson | Woodworking-machine | box making machines |
| 761,573 | May 31, 1904 | J.P. Barnes | Drilling Machine Attachment | |
| 990,316 | Apr. 25, 1911 | A.C. Vick | Mortising machine | mortising machines |
| 1,272,219 | Jul. 09, 1918 | W.L. Clark | Drilling Machine | |
| 1,748,325 | Feb. 25, 1930 | T.R. Renwick, A.S. Kurkjian, M.D. Baldwin | Mortising machine | mortising machines |
| 2,779,220 | Jan. 29, 1957 | O.L. Wright, Jr., R.J. Dunn, Jr. | Universal Drilling Machine | multiple spindle drill presses |
