| All Patents in class 408/117 |
Patents 1 -
15
of 42
      |
| Number | Date | Patentee | Title | Type |
| 82,118 | Sep. 15, 1868 | A. Hoermann | Die for Cutting Screws | taps and dies |
| 142,511 | Sep. 02, 1873 | S.W. Putnam, Jr. | Improvement in machines for tapping nuts | nut or bolt making machines |
| 176,694 | Apr. 25, 1876 | E. Saunders | Improvement in Screw-Cutting Die-Stocks | plumber |
| 187,600 | Feb. 20, 1877 | G. Collins | Combination Countersink, Screwdriver & Gimlet Bit | countersinks |
| 311,647 | Feb. 03, 1885 | E.F. Dalton | Improvements in Tools for Shortening and Cutting Screw-Threads upon Axle-Spindles | |
| 336,598 | Feb. 23, 1886 | O. Smith | Turret-head drill press | drill presses |
| 343,058 | Jun. 01, 1886 | R.D. McGee | Axle Cutter | combination tools |
| 347,969 | Aug. 24, 1886 | D. Slate | Drilling-machine | drill presses |
| 411,002 | Sep. 17, 1889 | J.A. Becher | Bolt Threading Machine | metal threading machines |
| 431,107 | Jul. 01, 1890 | J.T. Cowley | Apparatus for Drilling | drill press accessories |
| 500,646 | Jul. 04, 1893 | L.E. Whiton, D.E. Whiton | Multiple drilling-machine | multiple spindle drill presses |
| 513,088 | Jan. 23, 1894 | H.W. Crane | Portable multi-drill mortiser | mortising machines |
| 560,171 | May 12, 1896 | A.J. Oehring | Multiple drill | multiple spindle drill presses |
| 658,782 | Oct. 02, 1900 | W.T. Kellogg | Auger-cutter | drill bits |
| 694,510 | Mar. 04, 1902 | S.F. Wise | Double-spindle drawer-pull boring-machine | wood drilling and boring |
