| All Patents in class 408/234 |
Patents 1 -
15
of 33
      |
| Number | Date | Patentee | Title | Type |
| 572 | Jan. 20, 1838 | J. Badger | Machine for Boring Framing-Timber | portable timber mortisers |
| 1,382 | Oct. 26, 1839 | R. Hubbell | Machine for boring timber | drilling and boring |
| 1,723 | Aug. 14, 1840 | W.L. Harley | Machine for boring and mortising in chair seats, legs, and arms | drilling and boring |
| 21,002 | Jul. 27, 1858 | W. Hinds | Wheelwright's boring machine | drilling and boring |
| 30,774 | Nov. 27, 1860 | G.C. Taft | Drill Frame | drill presses |
| 58,273 | Sep. 25, 1866 | C.E. McBeth | Improved boring attachment to lathes | wood lathe accessories |
| 75,933 | Mar. 24, 1868 | G.W. Lewin | Lathe Carriage | drilling and boring |
| 169,998 | Nov. 16, 1875 | H.A. Kimball | Improvement in combined universal lathes and belt-saws | wood lathes |
| 274,026 | Mar. 13, 1883 | O. Plummer | Post for drilling machines | post drills |
| 364,254 | Jun. 07, 1887 | J.B. Higdon | Wood-boring machine | drilling and boring |
| 432,972 | Jul. 29, 1890 | L.T. Bowman | Bolt Threading Machine | metal threading machines |
| 438,014 | Oct. 07, 1890 | B.G. Luther | Drilling-machine | drill presses |
| 543,267 | Jul. 23, 1895 | E.B. Petrie | Drill Brace | drill accessories |
| 543,625 | Jul. 30, 1895 | R.H. Henderson, J.G. Henderson | Machine for Boring Joists for Electric Wiring | portable timber borers |
| 1,035,143 | Aug. 13, 1912 | W.J. Bayrer | Clamping device | drill presses |
