| All Patents in class 407/81 |
Patents 1 -
15
of 22
      |
| Number | Date | Patentee | Title | Type |
| 430,148 | Jun. 17, 1890 | L. Prillwitz | Boring Tool Holder | lathe tool holders and tool posts |
| 600,747 | Mar. 15, 1898 | J.K. Severson | Adjustable Tool Holder | lathe tool holders and tool posts |
| 687,237 | Nov. 26, 1901 | C. Jackson | Lathe Tool and Holder | lathe tools |
| 790,479 | May 23, 1905 | W. Carr, J. Carr | Boring-tool holder | lathe tool holders and tool posts |
| 908,804 | Jan. 05, 1909 | W.M. Rhoades | Tool Holder | lathe tool holders and tool posts |
| 932,286 | Aug. 24, 1909 | J.H. Jones | Tool Holder | metal planer tool holders |
| 938,600 | Nov. 02, 1909 | S. Lowe | Tool Holder | lathe tool holders and tool posts |
| 966,755 | Aug. 09, 1910 | F.P. Kuhn | Tool Holder | lathe tool holders and tool posts |
| 1,068,221 | Jul. 22, 1913 | H. Curtin | Tool Holder | lathe tool holders and tool posts |
| 1,128,714 | Feb. 16, 1915 | J.J. Noonan | Lathe Tool Holder | lathe tool holders and tool posts |
| 1,187,393 | Jun. 13, 1916 | L.E. Salmon | Boring Tool Holder | drilling and boring tool holders |
| 1,260,172 | Mar. 19, 1918 | P.P. Fenaux | Cutting Attachment for Lathes | metal lathe accessories and attachments |
| 1,269,317 | Jun. 11, 1918 | E. Schlegl | Tool Holder | lathe tool holders and tool posts |
| 1,286,623 | Dec. 03, 1918 | G.W. Henry | Tool Holder | lathe tool holders and tool posts |
| 1,490,346 | Apr. 15, 1924 | A.B. Smith | Tool Holder | metalworking machine tool holders |
