| All Patents in class 279/103 |
Patents 31 -
45
of 55
      |
| Number | Date | Patentee | Title | Type |
| 1,442,659 | Jan. 16, 1923 | W.F. Groene | Milling Machine Spindle | milling machines |
| 1,448,895 | Mar. 20, 1923 | H.A. Yotta | Tool | screwdriver mechanisms |
| 1,489,549 | Apr. 08, 1924 | A.F. Roger | Tool Holder | lathe tool holders and tool posts |
| 1,502,037 | Jul. 22, 1924 | G. Ivaldi | Tool Holder | drilling and boring tool holders |
| 1,502,528 | Jul. 22, 1924 | L. Reulbach | Extensible Tool Holder | drilling and boring tool holders |
| 1,786,029 | Dec. 23, 1930 | J.H. Phillips | Tool Holder | tool holders |
| 1,788,268 | Jan. 06, 1931 | J.E. Anderson | Ejector for taper-shank cutting tools | drill presses |
| 1,800,264 | Apr. 14, 1931 | G.H. Rempes | Tool socket | |
| 2,105,330 | Jan. 11, 1938 | W.H. Pagenkopf | Tool Holder | metalworking machine tool holders |
| 2,120,622 | Jun. 14, 1938 | J. Nelson, C.J. Oxford | Boring Tool | metalworking counterbores |
| 2,485,799 | Oct. 25, 1949 | R.M. Woytych | Toolhead | metalworking machine tool holders |
| 2,590,629 | Mar. 25, 1952 | F.O. Wetzel, C.E. Linden | Tool ejector | radial drill presses |
| 2,618,180 | Nov. 18, 1952 | F.O. Wetzel, C.E. Linden | Tool ejector | radial drill presses |
| 2,719,722 | Oct. 04, 1955 | A.E. Nickless | Quick Change Tool Holder | milling machine tools |
| 2,755,117 | Jul. 17, 1956 | J.B. Armitage | Machine Tool Spindles | milling machines |
