| All Patents in class 451/149 |
Patents 1 -
10
of 10
      |
| Picture | Number | Date | Patentee | Title |
 | 46,843 | Mar. 14, 1865 | J.G. Baker | Improved Saw Grinding Machine |
 | 497,738 | May 16, 1893 | A. Wood | Boring-mill |
 | 804,706 | Nov. 14, 1905 | L. Coes | Continuous Milling-Machine |
| | 857,893 | Jun. 25, 1907 | G.H. Newton | Screw-Machine |
 | 1,052,455 | Feb. 11, 1913 | J.C. Blevney | Polishing-machine |
| | 1,203,844 | Nov. 07, 1916 | A.C. Page, C. Booth | Grinding Machine |
 | 2,076,808 | Apr. 13, 1937 | W.L. Bryant | Grinding machines |
| | 2,120,198 | Jun. 07, 1938 | R.G. Anderson, J.Y. Blazek | Valve grinder |
| | 2,135,894 | Nov. 08, 1938 | E.C. Head | Machine for forming spiral bevel gear cutters |
| | 2,377,992 | Jun. 12, 1945 | G.A. Carlson | Automatic turret grinding or polishing machine |
