| Patents Granted on 1957-10-?? |
Patents 1 -
15
of 37
      |
| Number | Date | Patentee | Title | Type |
| D181,115 | Oct. 01, 1957 | H. Vogl | Woodworker's vise | woodworkers vises |
| 2,807,812 | Oct. 01, 1957 | M.S. Wozniak | Laterally Adjustable Tool Holder | screw machines |
| 2,807,832 | Oct. 01, 1957 | B.H. Davis | Stock feed control for extrusion apparatus | wire insulating machines |
| 2,807,920 | Oct. 01, 1957 | R.E. Househo;der | Tool Holder | metalworking machine tool holders |
| 2,807,972 | Oct. 01, 1957 | W.G. Mitchell | Multiple unit assembly for rotary tools | |
| 2,807,973 | Oct. 01, 1957 | H.J. Siekmann, W.H. Meyer, administrator, W.R. Meyer, deceased (estate of) | Apparatus for Manufacturing Crankshafts Automatically | crankshaft lathes |
| 2,807,974 | Oct. 01, 1957 | H.J. Siekmann, W.H. Meyer, administrator, W.R. Meyer, deceased (estate of) | Automatic Bearing Lathe | crankshaft lathes |
| 2,808,082 | Oct. 01, 1957 | W. Moretti, L.C. Pratt | Portable power free end jig saw | handheld power jigsaws |
| 2,808,084 | Oct. 01, 1957 | W.A. Eschenburg, E. Balstad | Adjustable guide fence for power tool work table | tablesaw accessories |
| 2,808,085 | Oct. 01, 1957 | R.R. Hollien, E.L. Staiger | Hand portable electric power unit | handheld power drills |
| 2,808,141 | Oct. 01, 1957 | C.E. Scott | Automatic Parts Orienter and Loader | workpiece changers and storage mechanisms |
| 2,808,255 | Oct. 01, 1957 | G. Darcy | Rotatable Tool Holder for Machining Cylindrical Members | metalworking machine tool holders |
| 2,808,637 | Oct. 08, 1957 | A.F. Hudson | Pyramidal Tool and Holder | insert tool holders |
| 2,808,651 | Oct. 08, 1957 | C.W. Johnson | Caliper for a Lens or the Like | calipers |
| 2,808,737 | Oct. 08, 1957 | E.P. Bullard, III | Variable-Speed Transmission and Method of Operation | |
