| All Patents in class 279/6 |
Patents 31 -
45
of 102
      |
| Number | Date | Patentee | Title | Type |
| 908,804 | Jan. 05, 1909 | W.M. Rhoades | Tool Holder | lathe tool holders and tool posts |
| 933,799 | Sep. 14, 1909 | I.J. Van Huffel, Jr. | Adjustable Work Holder | drill press accessories |
| 971,120 | Sep. 27, 1910 | C.E. Day | Boring Tool Holder | drilling and boring tool holders |
| 973,542 | Oct. 25, 1910 | A. Muehlmatt | Boring-head for lathes, milling-machines, and the like | boring heads |
| 981,062 | Jan. 10, 1911 | H. Casler | Boring Head | boring heads |
| 984,000 | Feb. 14, 1911 | H.E. Hull | Boring Tool Holder | drilling and boring tool holders |
| 1,028,805 | Jun. 04, 1912 | J.M. Wood | Tool Holder | lathe tool holders and tool posts |
| 1,051,531 | Jan. 28, 1913 | C.H. Whipple | Eccentric Boring Tool Holder | drilling and boring tool holders |
| 1,133,169 | Mar. 23, 1915 | W.C. Morris | Adjustable Boring Tool Holder | drilling and boring tool holders |
| 1,174,309 | Mar. 07, 1916 | R.S. Brayton, A.H. Clermont | Tool Holder | drilling and boring tool holders |
| 1,191,813 | Jul. 18, 1916 | J.O. Dixon, E.S. Mummert | Facing-tool | |
| 1,249,642 | Dec. 11, 1917 | P.B. Lindfors | Adjustable Tool Holder for Milling Machines | metalworking machine tool holders |
| 1,256,131 | Feb. 12, 1918 | R. Hervig | Lathe Attachment | metal lathe chucks |
| 1,256,462 | Feb. 12, 1918 | M. Mayer, J.H. Frey | Boring Tool Holder | drilling and boring tool holders |
| 1,271,152 | Jul. 02, 1918 | K.M. Fritts | Boring Tool Holder | drilling and boring tool holders |
