| All Patents in class 407/74 |
Patents 1 -
11
of 11
      |
| Number | Date | Patentee | Title | Type |
| 1,015,903 | Jan. 30, 1912 | J.W. Whitford, E.L. Mills | Tool Holder | metal planer tool holders |
| 1,262,701 | Apr. 16, 1918 | J.M. Riedy | Tool Holder | lathe tool holders and tool posts |
| 1,287,971 | Dec. 17, 1918 | N.H. Groff | Tool Holder | lathe tool holders and tool posts |
| 1,452,082 | Apr. 17, 1923 | G.H. Larsson | Adjustable Tool Holder | lathe tool holders and tool posts |
| 2,105,757 | Jan. 18, 1938 | B.F. Rosenberg | Boring Tool | drilling and boring tool holders |
| 2,211,596 | Aug. 13, 1940 | N.P. Darash | Tool Holder | lathe tool holders and tool posts |
| 2,305,737 | Dec. 22, 1942 | J.H. Richards | Boring Attachment for Milling Machines | milling machine tools |
| 2,398,491 | Apr. 16, 1946 | N. Bell | Boring Head | boring heads |
| 2,582,983 | Jan. 22, 1952 | J.F. Golden | Precision Toolholder | lathe tool holders and tool posts |
| 3,262,184 | Jul. 26, 1966 | A.N. Sweeny | Adjustable tool holder | horizontal boring mills |
| 3,794,437 | Feb. 26, 1974 | S. Mazoguchi | Boring Head With Axial Adjustment Means | boring heads |
