| All Patents in class 74/127 |
Patents 1 -
15
of 140
      |
| Number | Date | Patentee | Title | Type |
| 24,005 | May 17, 1859 | M.S. Brooks | Drill-stock | spiral drills |
| 24,894 | Jul. 26, 1859 | G.I. Washburn | Boring-tool | hand drills |
| 54,069 | Apr. 17, 1866 | D.F. Hartford | Improvement in drill-stocks | spiral drills |
| 80,583 | Aug. 04, 1868 | I. Allard | Improvement in screw-drivers | spiral screwdrivers |
| 91,634 | Jun. 22, 1869 | W. Hofer | Improvement in screw-driver | spiral screwdrivers |
| 128,950 | Jul. 16, 1872 | G.J. Capewell | Devices for Attaching Buttons To Garments | spiral screwdrivers |
| 133,994 | Dec. 17, 1872 | T.D. Lakin | Improvement in converting motion | spiral screwdrivers |
| 143,084 | Sep. 23, 1873 | J.K. Laudermilch | Improvement in jeweler's drilling devices | spiral drills |
| 157,087 | Nov. 24, 1874 | I. Allard | Improvement in screw-drivers | |
| 157,099 | Nov. 24, 1874 | D.D. MacKay | Improvement in hand-drills for drilling metal | hand drills |
| 201,372 | Mar. 19, 1878 | J.B. West | Improvement in screw-drivers | spiral screwdrivers |
| 240,223 | Apr. 19, 1881 | G.D. Belcher | Hand-drill | hand drills |
| 261,925 | Aug. 01, 1882 | E. Herzig | Screw-driver | spiral screwdrivers |
| 268,938 | Dec. 12, 1882 | A.H. Reid | Bit-stock | spiral screwdrivers |
| 278,261 | May 22, 1883 | C.H. Olson | Screw-driver | spiral screwdrivers |
