| All Patents in class 408/14 |
Patents 1 -
15
of 32
      |
| Number | Date | Patentee | Title | Type |
| 415,846 | Nov. 26, 1889 | F.H. Richards | Screw Tapping Machine | nut or bolt making machines |
| 466,946 | Jan. 12, 1892 | D.J. Hurley | Tapping Device | tap and die holders |
| 742,291 | Oct. 27, 1903 | L.H. Colburn | Upright Tapping and Boring Machine | drill presses |
| 909,437 | Jan. 12, 1909 | C.A. Mercier | Tapping Machine | tapping machines |
| 920,011 | Apr. 27, 1909 | T.M. Boggs | Boring, Drilling and Tapping Machine | drilling and boring |
| 973,843 | Oct. 25, 1910 | J.S. Barnes | Drilling-machine | drill presses |
| 983,746 | Feb. 07, 1911 | R. Milne | Feed mechanism for drill-spindles | drill presses |
| 1,017,635 | Feb. 13, 1912 | L.H. Colburn | Automatic Tripping Device for the Feed Mechanism of Machine Tools | metalworking machine mechanisms |
| 1,063,665 | Jun. 03, 1913 | H. Dreses, E.J. Spaeth | Automatic tool stop | drill presses |
| 1,103,783 | Jul. 14, 1914 | G.O. Leopold | Drill | drill presses |
| 1,244,664 | Oct. 30, 1917 | H.E. Warren | Fluid-operated lathe | metal lathes |
| 1,351,970 | Sep. 07, 1920 | H.W. Schatz, A.E. Robinson, A.M. Sosa | Feeding Mechanism for Metal Working Machinery | metalworking machine mechanisms |
| 1,441,668 | Jan. 09, 1923 | J. Eckhard | Drill press | drill presses |
| 1,454,190 | May 08, 1923 | W.L. Schellenbach | Horizontal Boring Mill | horizontal boring mills |
| 1,513,846 | Nov. 04, 1924 | J.F. Mirrielees | Stroke-limiting device for automatic machines | drill presses |
