| All Patents in class 451/129 |
Patents 1 -
10
of 13
      |
| Picture | Number | Date | Patentee | Title |
 | 236,422 | Jan. 11, 1881 | R. Bickemeyer | Lathe for turning irregular forms |
| | 492,451 | Feb. 28, 1893 | F.D. Winkley | Grinding apparatus |
| | 498,240 | May 30, 1893 | R. Conrader | Reamer Grinding Machine |
| | 607,626 | Jul. 19, 1898 | M. Reece, administrator, F.A. Shea, Administrator, J. Reece, Estate of (deceased) | Machine for Cutting Worms |
 | 908,142 | Dec. 29, 1908 | P.H. Root | Lawn Mower Grinder |
 | 950,560 | Mar. 01, 1910 | P.H. Root | Lawn Mower Grinder |
 | 956,237 | Apr. 26, 1910 | A.C. Warner | Grinding-machine |
 | 1,287,732 | Dec. 17, 1918 | F. Müller | Machine for Milling Knurls |
| | 2,164,642 | Jul. 04, 1939 | J.C. Drader | Method and Means for Constructing Gear Finishing Tools |
| | 2,292,875 | Aug. 11, 1942 | R.E. Flanders | Tool Carrier Control Mechanism |
