| All Patents in class 173/19 |
Patents 1 -
10
of 13
      |
| Picture | Number | Date | Patentee | Title |
 | 688,653 | Dec. 10, 1901 | F. Lambert | Tool-operating machine |
| | 1,735,400 | Nov. 12, 1929 | A.M. Johnson | Tool-spindle brake mechanism |
| | 1,740,744 | Dec. 24, 1929 | F.A. Parsons | Fluid Transmission and Control Means for Machine Tools |
| | 1,763,142 | Jun. 10, 1930 | W. Ernst | Hydraulic Press |
 | 1,781,274 | Nov. 11, 1930 | W.C. De Roo | Feed-control mechanism |
| | 1,840,231 | Jan. 05, 1932 | F.S. Haas, R.E. Harrison | Grinding Machine |
| | 2,000,421 | May 07, 1935 | L.L. Schauer, A.M. Sosa, J.H. McKewen | Duplex control for radial drills |
 | 2,148,348 | Feb. 21, 1939 | W.F. Groene, H.J. Siekmann | Turret lathe |
 | 2,178,915 | Nov. 07, 1939 | C.E. Bernitt, G.K. McKee | Machine Tool |
 | 2,454,235 | Nov. 16, 1948 | E.J. Tomek | Drilling machine |
