| All Patents in class 407/74 |
Patents 1 -
10
of 12
      |
| Picture | Number | Date | Patentee | Title |
| | 1,015,903 | Jan. 30, 1912 | J.W. Whitford, E.L. Mills | Tool Holder |
| | 1,262,701 | Apr. 16, 1918 | J.M. Riedy | Tool Holder |
| | 1,287,971 | Dec. 17, 1918 | N.H. Groff | Tool Holder |
| | 1,452,082 | Apr. 17, 1923 | G.H. Larsson | Adjustable Tool Holder |
| | 2,105,757 | Jan. 18, 1938 | B.F. Rosenberg | Boring Tool |
| | 2,211,596 | Aug. 13, 1940 | N.P. Darash | Tool Holder |
 | 2,305,737 | Dec. 22, 1942 | J.H. Richards | Boring Attachment for Milling Machines |
| | 2,356,651 | Aug. 22, 1944 | G.A. Chandler | Machine tool |
| | 2,398,491 | Apr. 16, 1946 | N. Bell | Boring Head |
| | 2,582,983 | Jan. 22, 1952 | J.F. Golden | Precision Toolholder |
