| All Patents in class 408/57 |
Patents 1 -
11
of 11
      |
| Number | Date | Patentee | Title | Type |
| 123,951 | Feb. 20, 1872 | L.W. Stockwell | Improvement in Screw Cutting Machines | screw machines |
| 194,962 | Sep. 11, 1877 | L. Field | Screw Cutting Machines | screw machines |
| 365,744 | Jun. 28, 1887 | J.W. Heyer | Drilling-machine | |
| 1,017,882 | Feb. 20, 1912 | A.B. Landis | Cutter-head | metal threading machines |
| 1,208,289 | Dec. 12, 1916 | F.M. Carroll | Gun-barrel-drilling machine | gunsmith |
| 1,341,565 | May 25, 1920 | H. Krepps | Boring Head | boring heads |
| 1,680,466 | Aug. 14, 1928 | W.H. Evans | Reaming tool | reamers |
| 2,343,632 | Mar. 07, 1944 | H.F. Bakewell | Tap construction | taps and dies |
| 2,640,378 | Jun. 02, 1953 | R.W. Haggar | Boring Head Construction | boring heads |
| 4,679,970 | Jul. 14, 1987 | R.T. Woythal, E.R. Lohneis | High Speed Toolholder for a Machining Center | metalworking machine tool holders |
| 5,904,452 | May 18, 1999 | D. Kress | Chip Removing Precision Finishing Tool | insert tool holders |
