| All Patents in class 451/242 |
Patents 1 -
10
of 111
      |
| Picture | Number | Date | Patentee | Title |
 | 152,632 | Jun. 30, 1874 | P.W. Hart | Improvement in machines for sawing laths |
| | 189,483 | Apr. 10, 1877 | M.H. McNair | Devices for Fitting and Polishing Cylinders and Rings |
 | 302,644 | Jul. 29, 1884 | H.C. Albee | Concentric lathe |
| | 396,553 | Jan. 22, 1889 | J.L. Fowle | Machinery for grinding metallic bands |
| | 401,550 | Apr. 16, 1889 | W. Gibson, R. Ray | Apparatus for shaving barrels, &c. |
| | 562,268 | Jun. 16, 1896 | F. Ashton | Apparatus for Grinding Parallel Spindles Rods or Shafts |
| | 1,106,803 | Aug. 11, 1914 | R.H. Grant | Grinding-machine |
 | 1,483,748 | Feb. 12, 1924 | F.C. Sanford | Grinding Machine |
| | 1,575,557 | Mar. 02, 1926 | L.F. Nenninger, S.F. Einstein | Work Rest and Guiding Device for Grinding Machines |
| | 1,611,048 | Dec. 14, 1926 | C. Knowles | Back Rest for Cylindrical Grinders |
