| All Patents in class 407/120 |
Patents 31 -
45
of 57
      |
| Number | Date | Patentee | Title | Type |
| 2,136,592 | Nov. 15, 1938 | J. Mayer | Tool Holder | lathe tool holders and tool posts |
| 2,155,337 | Apr. 18, 1939 | S. Speckert | Tool Holder | metalworking machine tool holders |
| 2,255,457 | Sep. 09, 1941 | W.L. Bower, G. Swain | Hacksaw machine | power hacksaws |
| 2,345,462 | Mar. 28, 1944 | D.J. Coughlin | Cutting Tool Holder | milling machine accessories |
| 2,418,734 | Apr. 08, 1947 | M.J. Steffes | Tool Holder | lathe tool holders and tool posts |
| 2,536,279 | Jan. 02, 1951 | O.R. Grube | Holder for Grinding Lathe Tool Bits | sharpening tool holders |
| 2,543,661 | Feb. 27, 1951 | W. Theobald, W. Edlich | Toolholder | metal planer tool holders |
| 2,624,103 | Jan. 06, 1953 | W. Bader | Toolholder | lathe tool holders and tool posts |
| 2,627,107 | Feb. 03, 1953 | E.J. Malco | Lathe Tool | lathe tools |
| 2,778,924 | Jan. 22, 1957 | J.P. Hill | Apparatus and method for producing flat surfaces | milling machine cutters |
| 2,780,857 | Feb. 12, 1957 | W.E. Twamley | Tool Holder | metalworking machine tool holders |
| 2,782,490 | Feb. 26, 1957 | C.O. Graves | Milling Cutter | milling machine cutters |
| 2,836,426 | May 27, 1958 | J.W. Crawford | Tool Holder | metalworking machine tool holders |
| 2,922,219 | Jan. 26, 1960 | G.F. Scott | Tool Holder | insert tool holders |
| 2,932,080 | Apr. 12, 1960 | A.O. Schmidt, J.R. Rounik | Inserted Tooth Cutter | milling machine cutters |
