| All Patents in class 409/293 |
Patents 1 -
6
of 6
      |
| Picture | Number | Date | Patentee | Title |
| | 385,818 | Jul. 10, 1888 | A.J. Moxham | Process of Straightening Slot Rails |
| | 1,535,875 | Apr. 28, 1925 | J.B. Sutton | Special Planer |
| | 2,164,642 | Jul. 04, 1939 | J.C. Drader | Method and Means for Constructing Gear Finishing Tools |
| | 2,936,679 | May 17, 1960 | W.C. Thuerwachter | Method for Cutting Metal |
| | 6,296,428 | Oct. 02, 2001 | K. Okushima, S. Okawa, H. Hayashi, K. Yamashita | Burr Removing Method and Apparatus |
| | 6,942,438 | Sep. 13, 2005 | S.L. Deguise | Keyway Cutter Tool and Method |
