| All Patents in class 470/98 |
Patents 1 -
11
of 11
      |
| Number | Date | Patentee | Title | Type |
| 415,846 | Nov. 26, 1889 | F.H. Richards | Screw Tapping Machine | nut or bolt making machines |
| 735,138 | Aug. 04, 1903 | J.M. Normand | Tool Holder | lathe tool holders and tool posts |
| 807,166 | Dec. 12, 1905 | C.W. Grant | Tool-holder and tool | lathe tool holders and tool posts |
| 908,804 | Jan. 05, 1909 | W.M. Rhoades | Tool Holder | lathe tool holders and tool posts |
| 1,254,709 | Jan. 29, 1918 | O. Anderson, D. Levinger | Tapping Machine | |
| 1,613,369 | Jan. 04, 1927 | E.L. Worbois | Nut-Tapping Machine | nut or bolt making machines |
| 1,679,529 | Aug. 07, 1928 | A.M. Johnson | Automatic machine tool | tapping machines |
| 1,708,183 | Apr. 09, 1929 | A. Levedahl | Spindle lock | |
| 1,791,532 | Feb. 10, 1931 | H. Hansen, E.L. Oberly | Semiautomatic Drill and Tapping Jig | jigs and fixtures |
| 2,271,717 | Feb. 03, 1942 | A.A. Schwartz | Countersinking and blind drilling machine | drilling and boring |
| 2,333,868 | Nov. 09, 1943 | O. Kylin | Releasing Tap Holder | |
