| All Patents in class 407/91 |
Patents 46 -
60
of 62
      |
| Number | Date | Patentee | Title | Type |
| 1,768,762 | Jul. 01, 1930 | C.E. Henry | Adjustable Tool Holder for Lathes, Etc. | lathe tool holders and tool posts |
| 1,814,882 | Jul. 14, 1931 | J.J. Zinslen | Tool Holder | lathe tool holders and tool posts |
| 1,835,992 | Dec. 08, 1931 | O. Severson | Combined Post Shank and Bit | lathe tool holders and tool posts |
| 1,993,752 | Mar. 12, 1935 | E. Reaney | Holder for Cutter Tool Bits | lathe tool holders and tool posts |
| 2,105,757 | Jan. 18, 1938 | B.F. Rosenberg | Boring Tool | drilling and boring tool holders |
| 2,270,387 | Jan. 20, 1942 | B. Spector | Cutting Tool | insert tool holders |
| 2,337,663 | Dec. 28, 1943 | H. Jones | Tool Holder | lathe tool holders and tool posts |
| 2,385,010 | Sep. 18, 1945 | J. Lipani | Duplex Reversible Toolholder | insert tool holders |
| 2,483,152 | Sep. 27, 1949 | G. Reisinger | Boring Tool Holder | drilling and boring tool holders |
| 2,499,529 | Mar. 07, 1950 | M.J. Schlitters | Cutoff and Form Toolholder | lathe tool holders and tool posts |
| 2,823,447 | Feb. 18, 1958 | K.P. Doersein, P. Doersein | Vertical Ejector Tool Holder | insert tool holders |
| 2,848,788 | Aug. 26, 1958 | Z. Goglanian | Tool Holder | lathe tool holders and tool posts |
| 2,922,219 | Jan. 26, 1960 | G.F. Scott | Tool Holder | insert tool holders |
| 3,058,198 | Oct. 16, 1962 | T.V. Williams | Adjustable Bit Clamping Means | milling machine cutters |
| 3,239,911 | Mar. 15, 1966 | T.V. Williams | Bit Holder | milling machine tools |
