| All Patents in class 407/31 |
Patents 1 -
10
of 17
      |
| Picture | Number | Date | Patentee | Title |
 | 53,496 | Mar. 27, 1866 | J.T. Smith | Milling Tool |
 | RE7,264 | Aug. 15, 1876 | S.R. Thompson | Improvement in machines for rossing and grinding bark |
 | 205,296 | Jun. 25, 1878 | J.A. Peer | Adjusting cutters |
| | 274,860 | Mar. 27, 1883 | A. Vivarttas | Tool for Cutting the Teeth of Metal Gear Wheels |
 | 433,458 | Aug. 05, 1890 | U. Eberhardt, H.E. Eberhardt | Milling-cutter |
 | 462,050 | Oct. 27, 1891 | P.J. Kelly | Milling-machine |
 | 496,511 | May 02, 1893 | U. Eberhardt, F.L. Eberhardt, H.E. Eberhardt | Rotary cutter for making similar teeth |
| | 527,410 | Oct. 16, 1894 | C.M. Conradson | Gear Cutter |
| | 1,326,865 | Dec. 30, 1919 | F.O. Hoagland | Milling Cutter |
 | 1,338,822 | May 04, 1920 | W.C. Farnum | Cutter |
