| All Patents in class 408/11 |
Patents 1 -
10
of 40
      |
| Picture | Number | Date | Patentee | Title |
 | 831,697 | Sep. 25, 1906 | B.F. Barnes | Drilling-machine |
 | 831,698 | Sep. 25, 1906 | B.F. Barnes | Drilling-machine |
 | 1,549,178 | Aug. 11, 1925 | B.S. Bishop | Tapping machine |
| | 1,679,530 | Aug. 07, 1928 | A.M. Johnson | Automatic drilling or tapping machine |
 | 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 |
| | 1,909,766 | May 16, 1933 | A.M. Johnson, W.M. Fairbairn | Machine tool |
| | 1,975,250 | Oct. 02, 1934 | O.L. Craft, A.J. Calpha | Hydraulic Feed Control Apparatus |
 | 2,000,553 | May 07, 1935 | C.R. Alden | Machine tool |
| | 2,027,705 | Jan. 14, 1936 | L.L. Schauer, J.H. McKewen | Double dial control for hydraulic radial drills |
