| All Patents in class 408/138 |
Patents 1 -
15
of 27
      |
| Number | Date | Patentee | Title | Type |
| 9,271 | Sep. 21, 1852 | R. Daniels | Hand drilling machine | eggbeater drills |
| 86,006 | Jan. 19, 1869 | F.W. Dexter | Improvement in hub-boring machine | drilling and boring |
| 101,466 | Apr. 05, 1870 | J.E. Hunter | Improved hand drilling-machine | human powered machines |
| 120,716 | Nov. 07, 1871 | G.F. Cluff | Improvement in boring-machines | drilling and boring |
| 141,299 | Jul. 29, 1873 | C.C. Walworth | Screw Cutting Machines | screwcutting lathes |
| 145,521 | Dec. 16, 1873 | J.A. Newell | Machines for Boring Hubs | wheelwright |
| 157,373 | Dec. 01, 1874 | J.C. Chapman | Improvement in hand drilling-machines | drilling and boring |
| 193,618 | Jul. 31, 1877 | R.G. Rowe, I.B. Edington | Improvement in hub-boring machines | drilling and boring |
| 232,146 | Sep. 14, 1880 | H.W. Ransom | Hub-boring machine | drilling and boring |
| 253,996 | Feb. 21, 1882 | W.D. Forbes | Screw-cutting die | taps and dies |
| 279,032 | Jun. 05, 1883 | G.W. Smith | Hand drilling-machine | hand drills |
| 290,882 | Dec. 25, 1883 | J.W. Hicks | Machine for Cutting Circles | wood drilling and boring |
| 389,149 | Sep. 04, 1888 | E.N. Higley | Machine for sawing and drilling railroad-rails | metal cutting circular saws |
| 443,502 | Dec. 30, 1890 | R.P. Curtis | Pipe Threading Machine | pipe threading machines |
| 446,073 | Feb. 10, 1891 | C.H. Myers | Ratchet Wrench & Drill | wrench combination tools |
