| All Patents in class 408/39 |
Patents 1 -
8
of 8
      |
| Picture | Number | Date | Patentee | Title |
| | 321,023 | Jun. 30, 1885 | T.F. Hammer | Screw Tapping Machine |
 | 594,825 | Nov. 30, 1897 | C.H. Bump | Handle-finishing machine |
| | 628,981 | Jul. 18, 1899 | G. Griffin | Automatic Button Lathe |
 | 689,035 | Dec. 17, 1901 | E.F. Brainard | Boring and tenoning machine |
| | 919,823 | Apr. 27, 1909 | E. Childs | Machine for Drilling Stock |
| | 966,816 | Aug. 09, 1910 | F. Fischer | Boring machine |
 | 2,000,553 | May 07, 1935 | C.R. Alden | Machine tool |
| | 2,548,188 | Apr. 10, 1951 | K.A. Riedel, F.D. Boehmer, J.B. Lukey, J.B. Armitage | Machine-Tool Transmission and Control Mechanism |
