| All Patents in class 408/11 |
Patents 1 -
15
of 38
      |
| Number | Date | Patentee | Title | Type |
| 831,697 | Sep. 25, 1906 | B.F. Barnes | Drilling-machine | drill presses |
| 831,698 | Sep. 25, 1906 | B.F. Barnes | Drilling-machine | drill presses |
| 1,549,178 | Aug. 11, 1925 | B.S. Bishop | Tapping machine | tapping machines |
| 1,679,530 | Aug. 07, 1928 | A.M. Johnson | Automatic drilling or tapping machine | drill presses |
| 1,754,621 | Apr. 15, 1930 | W.R. Fox, H.D. Corwin | Tapping or like machine | |
| 1,760,430 | May 27, 1930 | J.F. Mirrielees | Drilling machine | drill presses |
| 1,909,766 | May 16, 1933 | W.M. Fairbairn, A.M. Johnson | Machine tool | tapping machines |
| 1,975,250 | Oct. 02, 1934 | O.L. Craft, A.J. Calpha | Hydraulic Feed Control Apparatus | metalworking machines |
| 2,000,553 | May 07, 1935 | C.R. Alden | Machine tool | horizontal boring mills |
| 2,027,705 | Jan. 14, 1936 | L.L. Schauer, J.H. McKewen | Double dial control for hydraulic radial drills | radial drill presses |
| 2,035,283 | Mar. 24, 1936 | C.J. Schroeder | Machine tool | |
| 2,042,379 | May 26, 1936 | P.R. Guirl, J.S. Barnes | Metal Working Apparatus | metalworking machine mechanisms |
| 2,257,364 | Sep. 30, 1941 | H.F. Bakewell | Machine tool | tapping machines |
| 2,266,829 | Dec. 23, 1941 | E.J. Svenson | Metal Working Apparatus | metalworking machine mechanisms |
| 2,271,717 | Feb. 03, 1942 | A.A. Schwartz | Countersinking and blind drilling machine | drilling and boring |
