| All Patents in class 82/132 |
Patents 31 -
45
of 198
      |
| Number | Date | Patentee | Title | Type |
| 428,703 | May 27, 1890 | F.W. Taylor | Boring Bar Puppet | metal lathe accessories and attachments |
| 429,162 | Jun. 03, 1890 | F.W. Taylor | Boring and Turning Mill | vertical boring mills |
| 448,277 | Mar. 17, 1891 | F.W. Taylor | Boring and Turning Mill | boring and turning machines |
| 461,401 | Oct. 13, 1891 | E. Childs | Lathe | metal lathes |
| 472,833 | Apr. 12, 1892 | I.C. Swisher | Automatic Metal Boring and Turning Lathe | automatic lathes |
| 482,261 | Sep. 06, 1892 | J.J. Messing | Reversing Attachment for Screw Cutting Lathes | screwcutting lathes |
| 485,773 | Nov. 08, 1892 | J.W. von Pittler | Lathe | metal lathes |
| 488,815 | Dec. 27, 1892 | J.H. Schultz, G.R. Ibach | Attachment for Lathes | metal lathe accessories and attachments |
| 490,426 | Jan. 24, 1893 | E. Childs | Lathe | engine lathes |
| 495,296 | Apr. 11, 1893 | J.W. Boynton | Speed Regulating Device for Lathes | metalworking speed changing mechanisms |
| 497,212 | May 09, 1893 | F.H. Richards | Turret Lathe | turret lathes |
| 498,240 | May 30, 1893 | R. Conrader | Reamer Grinding Machine | tool grinders |
| 499,929 | Jun. 20, 1893 | O.E. Perrigo | Engine Lathe | engine lathes |
| 504,742 | Sep. 12, 1893 | F. Pearn, W.A. Pearn | Machine for Boring Cylinders and Turning the Flanges Thereof | horizontal boring mills |
| 510,329 | Dec. 05, 1893 | J. Davidsohn | Screw Cutting Machine | screw machines |
