| All Patents in class 408/52 |
Patents 1 -
15
of 24
      |
| Number | Date | Patentee | Title | Type |
| 5,613 | Jun. 06, 1848 | J.P. Gaume | Turning Bungs | bung making machines |
| 14,479 | Mar. 18, 1856 | I.W. Ward | Machines for boring holes in fence-posts | drilling and boring |
| 15,022 | Jun. 03, 1856 | W. Samuels, G.L. Stansbury | Boring-machine | drilling and boring |
| 82,803 | Oct. 06, 1868 | L.S. Colburn | Improvement in machines for boring window-blinds | windowblind machines |
| 90,834 | Jun. 01, 1869 | M.R. Fory | Improvement in apparatus for felling of trees | tree felling machines |
| 114,183 | Apr. 25, 1871 | R.L. Nelson | Improvement in machines for boring and mortising | mortising machines |
| 159,279 | Feb. 02, 1875 | J. Richards, G. Richards | Improvement in boring-machines | drilling and boring |
| 182,463 | Sep. 19, 1876 | A. Moore | Improvement in boring-machines | wood drilling and boring |
| 309,068 | Dec. 09, 1884 | C.A. Mahle | Machine for cutting top-knots for blacking-brushes | specialty woodworking machines |
| 452,053 | May 12, 1891 | F.H. Richards | Multiple drilling-machine | multiple spindle drill presses |
| 900,109 | Oct. 06, 1908 | F. Marsellis | Railroad Track Drilling Machine | rail drilling machines |
| 911,639 | Feb. 09, 1909 | M.L. Andrew | Boring-machine | wood drilling and boring |
| 1,011,098 | Dec. 05, 1911 | W.H. Washburn | Boring-machine | electrician |
| 1,256,180 | Feb. 12, 1918 | O.A. Smith | Drill-machine | drill presses |
| 1,491,523 | Apr. 22, 1924 | G.H. Ekstrom | Adjustable drilling and balancing tool | balancing machinery |
