| All Patents in class 144/92 |
Patents 1 -
15
of 49
      |
| Number | Date | Patentee | Title | Type |
| 8,877X | Jun. 12, 1835 | W. Jones | Auger | auger bits |
| 57,536 | Aug. 28, 1866 | J. McCrum | Drilling attachment for turning-lathes | drilling and boring |
| 58,568 | Oct. 09, 1866 | R. Allison | Improvement in boring-machines | drilling and boring |
| 68,362 | Sep. 03, 1867 | W.D. Grimshaw | Improved drilling machine | drilling and boring |
| 79,000 | Jun. 16, 1868 | G. Raft | Wrist-Pin Turner | wrist pin lathes |
| 97,908 | Dec. 14, 1869 | G.A. Gray, Jr. | Improved radial drilling-machine | drilling and boring |
| 101,466 | Apr. 05, 1870 | J.E. Hunter | Improved hand drilling-machine | human powered machines |
| 105,930 | Aug. 02, 1870 | V. Foland | Improvement in traversing machine | human powered machines |
| 123,886 | Feb. 20, 1872 | W. Gardam, J. Gardam | Improvement in drilling-machines | drilling and boring |
| 124,647 | Mar. 12, 1872 | J. Wheelock | Improvement in Boring-Mills | drilling and boring |
| 134,237 | Dec. 24, 1872 | C.H. Amidon | Improvement in drills | eggbeater drills |
| 140,925 | Jul. 15, 1873 | J.C. Keller | Improvement in metal-drilling machines | drill presses |
| 244,629 | Jul. 19, 1881 | W.F. Leach | Portable steam-auger | wood drilling and boring |
| 248,913 | Nov. 01, 1881 | H.H. Chapman | Drilling-machine | wood drilling and boring |
| 249,133 | Nov. 01, 1881 | R.T. White | Routing-machine | routing machines |
