| All Patents in class 408/12 |
Patents 1 -
13
of 13
      |
| Number | Date | Patentee | Title | Type |
| 831,697 | Sep. 25, 1906 | B.F. Barnes | Drilling-machine | drill presses |
| 1,803,740 | May 05, 1931 | G. Vanderbeek | Boring machine | wood drilling and boring |
| 1,909,767 | May 16, 1933 | W.M. Fairbairn, A.M. Johnson | Machine tool | tapping machines |
| 2,042,379 | May 26, 1936 | P.R. Guirl, J.S. Barnes | Metal Working Apparatus | metalworking machine mechanisms |
| 2,051,052 | Aug. 18, 1936 | E.K. Morgan | Machine Tool Hydraulic Control System | hydraulic apparatus |
| 2,083,023 | Jun. 08, 1937 | W.M. Fairbairn, A.M. Johnson | Machine tool | multiple spindle drill presses |
| 2,426,621 | Sep. 02, 1947 | H.B. Kraut, K.F. Gallimore, E.K. Morgan | Machine tool | horizontal boring mills |
| 2,481,383 | Sep. 06, 1949 | T. Foster, S.A. Brandenburg, C.A. Bickel | Machine tool | multiple spindle lathes |
| 2,550,649 | Apr. 24, 1951 | F.G. Zagar | Control mechanism for hydraulic cutter operating and carriage shifting motors of machine tools | hydraulic apparatus |
| 2,807,973 | Oct. 01, 1957 | W.H. Meyer, administrator, W.R. Meyer, deceased (estate of), H.J. Siekmann | Apparatus for Manufacturing Crankshafts Automatically | crankshaft lathes |
| 3,816,016 | Jun. 11, 1974 | E.W. Schatzman | Power drilling machine with resistance triggered retraction | drill presses |
| 3,874,809 | Apr. 01, 1975 | R.S. Hahn | Apparatus for Machining Surface of Revolution Having Discontinuites | metalworking machine mechanisms |
| 4,485,857 | Dec. 04, 1984 | C.A. Knighten, B.D. Norlie | Door processing machine | specialty woodworking machines |
