| All Patents in class 74/841 |
Patents 1 -
15
of 71
      |
| Number | Date | Patentee | Title | Type |
| 1,305 | Aug. 29, 1839 | E. Hall | Metal drill | drilling and boring |
| 2,961 | Feb. 20, 1843 | R.H. Springsteed | Metal Drill | drill presses |
| 3,609 | May 30, 1844 | A. Morgan | Metal Drill | drill presses |
| 3,897 | Jan. 31, 1845 | A.A. Wilder | Machine for drilling and mortising wood or metal | drilling and boring |
| 5,116 | May 18, 1847 | A. Morgan | Metal Drill | horizontal drilling machines |
| 8,554 | Dec. 02, 1851 | W. Bushnell | Hand-drill | drill presses |
| 13,383 | Aug. 07, 1855 | T. Newby, J. Conner | Machine-drill | drill presses |
| 13,845 | Nov. 27, 1855 | J.P. Heacock | Drilling and Screw-Cutting Machine | drill presses |
| 16,900 | Mar. 24, 1857 | G.C. Taft | Feeding Drill-Shafts | horizontal drilling machines |
| 17,944 | Aug. 04, 1857 | G.C. Taft | Self-feeding drill | horizontal drilling machines |
| 43,372 | Jun. 28, 1864 | G.C. Taft | Improvement in drills | horizontal drilling machines |
| 58,568 | Oct. 09, 1866 | R. Allison | Improvement in boring-machines | drilling and boring |
| 66,011 | Jun. 25, 1867 | L.B. Flanders | Improved apparatus for boring cylinders | drilling and boring |
| 80,475 | Jul. 28, 1868 | J. Goodin | Improvement in boring and drilling-machines | drilling and boring |
| 99,803 | Feb. 15, 1870 | E.J. Worcester | Improved drilling-machine | drill presses |
