| All Patents in class 408/137 |
Patents 1 -
15
of 56
      |
| Number | Date | Patentee | Title | Type |
| 9,729 | May 17, 1853 | A.H. Longley | Improvement in Machines for Cutting Wooden Screws | wood threading machines |
| 10,261 | Nov. 22, 1853 | H. Smith | Apparatus for cutting screws on bedstead-rails, &c. | specialty woodworking machines |
| 18,612 | Nov. 10, 1857 | J. Thrasher | Clamp for Boring Hubs | wheelwright |
| 18,977 | Dec. 29, 1857 | L. Kittinger | Device for throwing into and out of gear the tool of mortising-machines | portable timber mortisers |
| 37,384 | Jan. 13, 1863 | J.C. Chapman | Boring and Squaring Off Cylinders | metalworking machine mechanisms |
| 55,918 | Jun. 26, 1866 | F. Shaller | Improved drilling-machine | drilling and boring |
| 86,001 | Jan. 19, 1869 | C.W. Coe | Improved drilling and bolt-tapping machine | drill presses |
| 95,483 | Oct. 05, 1869 | G. Tainter, W.J. Johnson | Improvement in boring-tool | hand drills |
| 95,627 | Oct. 12, 1869 | A. Allan | Improvement in boring-tool | drilling and boring |
| 138,570 | May 06, 1873 | H. Martin | Drilling Machines | portable metal drilling machines |
| 142,356 | Sep. 02, 1873 | T.J. Sloan | Ratchet Drills | ratchet drills |
| 151,444 | May 26, 1874 | E.W. Fawcett, A.R. Silver | Improvement in Metal Drilling Machines | drill presses |
| 184,686 | Nov. 21, 1876 | J. Miller | Machines for Tapping Pipes Under Pressure | plumber |
| 209,646 | Nov. 05, 1878 | T.F. Carver, G.M. Coburn, E.N. Boynton | Improvement in metal-drilling machines | drill presses |
| 222,972 | Dec. 23, 1879 | J.B. White | Feed Screw for Drills | drill feed screws |
