| All Patents in class 29/48.50R |
Patents 1 -
15
of 23
      |
| Number | Date | Patentee | Title | Type |
| 222,178 | Dec. 02, 1879 | T.F. Carver | Improvement in machines for making metal screws | screw machines |
| 303,975 | Aug. 26, 1884 | J. Birkenhead | Turret or tool-support | metal lathes |
| 337,530 | Mar. 09, 1886 | F.M. Stevens | Automatic lathe | pattern lathes |
| 475,163 | May 17, 1892 | R.R. Spears | Lathe for Turning Axles | carriage maker |
| 502,887 | Aug. 08, 1893 | G.W. Griffin | Band-saw machine for cutting metal, &c. | metal sawing machines |
| 670,837 | Mar. 26, 1901 | D.B. Bullard | Turret-Lathe | turret lathes |
| 670,838 | Mar. 26, 1901 | D.B. Bullard | Turret-Lathe | turret lathes |
| 674,177 | May 14, 1901 | J.W. von Pittler | Lathe with rotary tool-head | turret lathes |
| 683,592 | Oct. 01, 1901 | E.P. Bullard, Jr. | Vertical Turret-Lathe | turret lathes |
| 926,737 | Jul. 06, 1909 | J.J. Grant, J.F. Fieg | Automatic lathe | automatic lathes |
| 1,236,997 | Aug. 14, 1917 | C.L. Tolles | Turret tool-post | turret lathes |
| 1,244,664 | Oct. 30, 1917 | H.E. Warren | Fluid-operated lathe | metal lathes |
| 1,455,283 | May 15, 1923 | E.P. Bullard, Jr. | Electric-Operating Chucking Device | |
| 1,868,016 | Jul. 19, 1932 | N.M. Marsilius, O.A. Olsen | Milling machine | milling machines |
| 1,975,008 | Sep. 25, 1934 | E.J. Kingsbury | Machine tool having an indexing movement | metalworking machine mechanisms |
