All Patents in class 82/1.11 |
Patents 1 -
10
of 22
      |
Picture | Number | Date | Patentee | Title |
 | 318,526 | May 26, 1885 | F. Waite, F.H. Tidgewell | Taper Measuring Tool |
 | 849,329 | Apr. 02, 1907 | W.U. Colthar | Manufacture of cutting-disks |
 | 1,191,305 | Jul. 18, 1916 | F.K. Hendrickson | Multiple-tool turning-lathe |
| 1,318,045 | Oct. 07, 1919 | E. Becker, Administrator, J. Becker, deceased (Estate of) | Art of Cutting Screw Threads |
| 1,468,935 | Sep. 25, 1923 | W.W. Vosper | Pipe-Cutting Machine |
| 1,899,608 | Feb. 28, 1933 | E.C. Bullard | Metal Working |
 | 1,949,512 | Mar. 06, 1934 | C.H. Norton | Method of turning and grinding round work surfaces |
| 2,044,497 | Jun. 16, 1936 | B.P. Schiltz | Method of Machining Metallic Workpieces |
| 2,141,466 | Dec. 27, 1938 | W.R. Meyer, W.F. Groene | Method of Machining Crankshafts |
 | 2,148,348 | Feb. 21, 1939 | W.F. Groene, H.J. Siekmann | Turret lathe |