| All Patents in class 451/149 |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| 46,843 | Mar. 14, 1865 | J.G. Baker | Improved Saw Grinding Machine | making sawblades |
| 497,738 | May 16, 1893 | A. Wood | Boring-mill | vertical boring mills |
| 804,706 | Nov. 14, 1905 | L. Coes | Continuous Milling-Machine | tool making machines |
| 1,052,455 | Feb. 11, 1913 | J.C. Blevney | Polishing-machine | sanding machines |
| 1,203,844 | Nov. 07, 1916 | A.C. Page, C. Booth | Grinding Machine | grinding machines |
| 2,076,808 | Apr. 13, 1937 | W.L. Bryant | Grinding machines | grinders |
| 2,120,198 | Jun. 07, 1938 | R.G. Anderson, J.Y. Blazek | Valve grinder | vehicle mechanic |
| 2,135,894 | Nov. 08, 1938 | E.C. Head | Machine for forming spiral bevel gear cutters | sharpening machines |
| 2,377,992 | Jun. 12, 1945 | G.A. Carlson | Automatic turret grinding or polishing machine | polishing and buffing machinery |
