| All Patents in class 29/37R |
Patents 1 -
15
of 37
      |
| Number | Date | Patentee | Title | Type |
| 222,178 | Dec. 02, 1879 | T.F. Carver | Improvement in machines for making metal screws | screw machines |
| 665,330 | Jan. 01, 1901 | A.J. Langelier | Machine for making blanks for sewing-machine needles or similar articles | specialty machines |
| 816,393 | Mar. 27, 1906 | C.M. Spencer | Threading Mechanism for Automatic Screw Machines | screw machines |
| 876,814 | Jan. 14, 1908 | H.B. Lester | Automatic Screw Machine | screw machines |
| 904,866 | Nov. 24, 1908 | G.O. Gridley | Multi-spindle machine | screw machines |
| 926,736 | Jul. 06, 1909 | J.J. Grant | Multiple-spindle lathe | automatic lathes |
| 926,737 | Jul. 06, 1909 | J.J. Grant, J.F. Fieg | Automatic lathe | automatic lathes |
| 1,008,677 | Nov. 14, 1911 | O.A. Smith | Tool Holder or Bracket | metalworking machine tool holders |
| 1,066,035 | Jul. 01, 1913 | G.H. Newton | Screw Machine | screw machines |
| 1,092,462 | Apr. 07, 1914 | E. Trobeck | Multiple-spindle screw machine | screw machines |
| 1,173,574 | Feb. 29, 1916 | G.D. Hayden | Automatic screw-machine | screw machines |
| 1,222,954 | Apr. 17, 1917 | J.F. Judd, J.J. Hogan | Threading mechanism for automatic lathes | metal lathes |
| 1,502,467 | Jul. 22, 1924 | F.P. Glosh | Automatic Screw Machine | screw machines |
| 2,130,341 | Sep. 20, 1938 | C.G. Garrard | Metal Cutting and Like Machine Tools | screw machines |
| 2,130,809 | Sep. 20, 1938 | C.E. Miller | Multiple Spindle Automatic Lathe | multiple spindle lathes |
