| All Patents in class 470/181 |
Patents 16 -
30
of 60
      |
| Number | Date | Patentee | Title | Type |
| 874,035 | Dec. 17, 1907 | G.G. Prentice | Multiple-spindle automatic turret-machine | turret lathes |
| 909,437 | Jan. 12, 1909 | C.A. Mercier | Tapping Machine | tapping machines |
| 913,417 | Feb. 23, 1909 | R. Milne | Gearing | metalworking power transmission |
| 926,736 | Jul. 06, 1909 | J.J. Grant | Multiple-spindle lathe | automatic lathes |
| 932,607 | Aug. 31, 1909 | J.J. Grant | Thread-cutting attachment for automatic lathes | automatic lathes |
| 1,066,035 | Jul. 01, 1913 | G.H. Newton | Screw Machine | screw machines |
| 1,130,398 | Mar. 02, 1915 | G.O. Gridley | Screw-threading mechanism | screw machines |
| 1,153,310 | Sep. 14, 1915 | J.E. Johnson | Drive for machine-tools | tapping machines |
| 1,153,311 | Sep. 14, 1915 | J.E. Johnson | Tapping-machine | tapping machines |
| 1,222,954 | Apr. 17, 1917 | J.F. Judd, J.J. Hogan | Threading mechanism for automatic lathes | metal lathes |
| 1,244,084 | Oct. 23, 1917 | A.A. Shafer | Tapping Machine | tapping machines |
| 1,254,933 | Jan. 29, 1918 | A. Abbey, E. Peuch | Drilling, Screw Cutting , and Other Similar Machine | drill press chucks |
| 1,495,080 | May 20, 1924 | D.C. Klausmeyer | Self Indicating Variable Spindle Drive | metalworking variable speed mechanisms |
| 1,525,134 | Feb. 03, 1925 | H. Hubbell | Tapping machine | tapping machines |
| 1,549,178 | Aug. 11, 1925 | B.S. Bishop | Tapping machine | tapping machines |
