| All Patents in class 451/436 |
Patents 1 -
10
of 25
      |
| Picture | Number | Date | Patentee | Title |
 | 12,502 | Mar. 13, 1855 | J.M. Bottum | Polishing Apparatus for Watchmakers' Lathes |
 | 68,698 | Sep. 10, 1867 | A.B. Lawther, C. Coester, Jr. | Edge Tool Grinder |
 | 126,160 | Apr. 30, 1872 | D. Slate | Improvement in tool for grinding lathe-centers |
| | 134,287 | Dec. 24, 1872 | W.S. Jarboe | Apparatus for Grinding Lathe Centers |
 | 140,832 | Jul. 15, 1873 | J. Rigney, J.P. Kealy | Machine for dressing lathe centers |
| | 160,921 | Mar. 16, 1875 | M.R. Lemman | Machine for Grinding Lathe Centers |
| | 292,227 | Jan. 22, 1884 | D. Houghton | Lathe Center Grinding Machine |
| | 349,602 | Sep. 21, 1886 | A.H. Randall | Lathe Center Grinding Machine |
| | 384,795 | Jun. 19, 1888 | F.A. Shoemaker | Grinding Machine |
| | 394,786 | Dec. 18, 1888 | T.W. McCabe | Apparatus for Grinding Lathe Centers |
