| All Patents in class 408/13 |
Patents 1 -
15
of 28
      |
| Number | Date | Patentee | Title | Type |
| 635,887 | Oct. 31, 1899 | J. Hartness | Turret Lathe | turret lathes |
| 635,888 | Oct. 31, 1899 | J. Hartness | Turret Lathe | turret lathes |
| 1,727,606 | Sep. 10, 1929 | H.M. Norris, D.C. Klausmeyer | Constant Drive Radial Drill | radial drill presses |
| 1,838,945 | Dec. 29, 1931 | A.M. Johnson | Automatic machine tool | nut or bolt making machines |
| 1,909,766 | May 16, 1933 | W.M. Fairbairn, A.M. Johnson | Machine tool | tapping machines |
| 2,012,249 | Aug. 20, 1935 | B. Sassen | Automatic Positioning Mechanism for Machine Tools | metalworking machine mechanisms |
| 2,042,379 | May 26, 1936 | P.R. Guirl, J.S. Barnes | Metal Working Apparatus | metalworking machine mechanisms |
| 2,114,284 | Apr. 19, 1938 | H. Barnes (executrix), E.J. Svenson, P.R. Guirl, J.S. Barnes (deceased, estate of) | Machine Tool and Control Therefor | machine tool controls |
| 2,391,398 | Dec. 25, 1945 | C.B. De Vlieg | Horizontal boring machine | horizontal boring mills |
| 2,454,591 | Nov. 23, 1948 | J.L. King, S.G. Brady | Indexing Mechanism | indexers and dividers |
| 2,473,507 | Jun. 21, 1949 | E.P. Bullard | Positioning Apparatus | |
| 2,576,114 | Nov. 27, 1951 | H.M. Junkin, Executor, R.L. Hibbard, Executor, Jr., S.C. Hibbard, Executor, R.L. Hibbard, deceased (Estate of) | Machine Tool Work Holder | workpiece changers and storage mechanisms |
| 2,605,678 | Aug. 05, 1952 | O.W. Barker, J.B. Armitage | Milling and Boring Machine | milling machines |
| 2,709,932 | Jun. 07, 1955 | H.E. Graimes | Machine tool | drill presses |
| 2,779,220 | Jan. 29, 1957 | O.L. Wright, Jr., R.J. Dunn, Jr. | Universal Drilling Machine | multiple spindle drill presses |
