| All Patents in class 408/35 |
Patents 1 -
15
of 49
      |
| Number | Date | Patentee | Title | Type |
| 12,002 | Nov. 28, 1854 | E.K. Root | Improved machine for boring the chambers in the cylinders of fire-arms | drilling and boring |
| 126,232 | Apr. 30, 1872 | E.S. Piper | Improvement in machines for making saw-handles | tool making machines |
| 187,600 | Feb. 20, 1877 | G. Collins | Combination Countersink, Screwdriver & Gimlet Bit | countersinks |
| 323,723 | Aug. 04, 1885 | E.H. Parks | Boring Machine | metalworking machines |
| 336,598 | Feb. 23, 1886 | O. Smith | Turret-head drill press | drill presses |
| 376,838 | Jan. 24, 1888 | A. Whitney | Drilling Machine | center drilling machines |
| 426,347 | Apr. 22, 1890 | L.E. Whiton, D.E. Whiton | Drilling-machine | metal lathes |
| 431,107 | Jul. 01, 1890 | J.T. Cowley | Apparatus for Drilling | drill press accessories |
| 450,400 | Apr. 14, 1891 | E.A. Corliss, administratrix, G.H. Corliss, deceased (estate of) | Machine for Finishing the Ends of Valve Boxes of Steam Engine Cylinders | metalworking machines |
| 463,790 | Nov. 24, 1891 | A.D. Quint | Drilling-machine | drill presses |
| 513,827 | Jan. 30, 1894 | F.H. Richards | Turret Machine for Boring Cylinders | turret lathes |
| 520,079 | May 22, 1894 | A.D. Quint | Turret-head machine | drill presses |
| 542,695 | Jul. 16, 1895 | F.W. Hoefer, D.C. Stover | Variable-speed sensitive drill press | drill presses |
| 603,888 | May 10, 1898 | J.H. Brewer | Centering Machine | metal lathe accessories and attachments |
| 694,783 | Mar. 04, 1902 | A.D. Quint | Turret drilling, milling and tapping machine | drill presses |
