| All Patents in class 407/81 |
Patents 1 -
10
of 22
      |
| Picture | Number | Date | Patentee | Title |
| | 430,148 | Jun. 17, 1890 | L. Prillwitz | Boring Tool Holder |
| | 600,747 | Mar. 15, 1898 | J.K. Severson | Adjustable Tool Holder |
| | 687,237 | Nov. 26, 1901 | C. Jackson | Lathe Tool and Holder |
 | 790,479 | May 23, 1905 | W. Carr, J. Carr | Boring-tool holder |
| | 908,804 | Jan. 05, 1909 | W.M. Rhoades | Tool Holder |
| | 932,286 | Aug. 24, 1909 | J.H. Jones | Tool Holder |
| | 938,600 | Nov. 02, 1909 | S. Lowe | Tool Holder |
| | 966,755 | Aug. 09, 1910 | F.P. Kuhn | Tool Holder |
| | 1,068,221 | Jul. 22, 1913 | H. Curtin | Tool Holder |
| | 1,128,714 | Feb. 16, 1915 | J.J. Noonan | Lathe Tool Holder |
