| All Patents in class 82/13 |
Patents 31 -
36
of 36
      |
| Number | Date | Patentee | Title | Type |
| 945,901 | Jan. 11, 1910 | F.E. Anthony | Screw-cutting attachment | screw machines |
| 1,551,739 | Sep. 01, 1925 | M.M. Wills, A.C. Gough | Turret Tool Holder | lathe tool holders and tool posts |
| 1,780,606 | Nov. 04, 1930 | E.J. Svenson | Tool support for lathes | |
| 2,586,235 | Feb. 19, 1952 | F.G. Krafft | Device for Forming Grinding Wheels | grinder dressers |
| 2,623,333 | Dec. 30, 1952 | W.G. Baldenhofer | Apparatus for Grinding | cylindrical grinders |
| 2,627,194 | Feb. 03, 1953 | C.H. Johnson, L.A. Leifer | Profile Turning and Boring Lathe | metal lathes |
