| All Patents in class 29/57 |
Patents 16 -
30
of 100
      |
| Number | Date | Patentee | Title | Type |
| 587,480 | Aug. 03, 1897 | J. Hartness | Attachment for Turret Lathes | metal lathe accessories and attachments |
| 596,750 | Jan. 04, 1898 | J. Hartness | Screw Cutting Attachment | turret lathes |
| 616,887 | Jan. 03, 1899 | J.P. Brophy | Lathe Attachment for Cutting Irregular Forms | metal lathe accessories and attachments |
| 627,529 | Jun. 27, 1899 | G.E. Randles | Screw Machine | screw machines |
| 633,108 | Sep. 12, 1899 | W.B. Pearson | Machine for Turning Regular Hexagons | lathe tool holders and tool posts |
| 643,553 | Feb. 13, 1900 | O. Sroka | Attachment for Screw Cutting Machines | metal lathe accessories and attachments |
| 644,279 | Feb. 27, 1900 | F. Harrington, E.M. Couch | FeedAttachment for Screw or Analogous Machines | screw machines |
| 649,902 | May 22, 1900 | J.P. Brophy | Automatic Lathe Attachment | metal lathe accessories and attachments |
| 649,903 | May 22, 1900 | J.P. Brophy | Automatic Lathe Attachment | metal lathe accessories and attachments |
| 649,904 | May 22, 1900 | J.P. Brophy | Automatic Lathe Attachment | automatic lathes |
| 649,905 | May 22, 1900 | J.P. Brophy | Automatic Lathe Attachment | metal lathe accessories and attachments |
| 649,906 | May 22, 1900 | J.P. Brophy | Automatic Lathe Attachment | automatic lathes |
| 659,962 | Oct. 16, 1900 | C.L. Goodrich | Turret-tool | |
| 664,344 | Dec. 18, 1900 | G.J. Winkle | Tool Holder for Turret Machines | lathe tool holders and tool posts |
| 684,635 | Oct. 15, 1901 | J.J. Grant | Lathe | turret lathes |
