| All Patents in class 74/665.0GA |
Patents 1 -
13
of 13
      |
| Number | Date | Patentee | Title | Type |
| 53,236 | Mar. 13, 1866 | W.E. Sibley | Improvement in gearing for grinding or other rollers | |
| 229,291 | Jun. 29, 1880 | F. Wesel | Stereotype-plate holder | printing presses |
| 343,937 | Jun. 15, 1886 | B.D. Whitney | Gearing | wood planers |
| 733,719 | Jul. 14, 1903 | W. Goers, F.A. Kehl | Multiple-drill attachment for drill presses | drilling and boring |
| 931,761 | Aug. 24, 1909 | E. Henrikson | Gearing | metalworking machine gearing |
| 1,696,468 | Dec. 25, 1928 | J.F. Buhr | Multiple-spindle drill head | multiple spindle drill presses |
| 2,368,151 | Jan. 30, 1945 | W.M. McConnell | Lathe carriage drive | metal lathes |
| 2,549,490 | Apr. 17, 1951 | G.H. Kuhl | Multiple spindle drill gearing | multiple spindle drill presses |
| 2,622,454 | Dec. 23, 1952 | C.A. Boehm | Auxiliary transmission mechanism for milling machines | milling machines |
| 2,742,797 | Apr. 24, 1956 | J.A. Perham | Multi-spindle portable power-operated tool | |
| 2,884,818 | May 05, 1959 | J.R. Bashor, A.P. Speckin | Drill head | multiple spindle drilling heads |
| 3,028,768 | Apr. 10, 1962 | E.P. Bullard, III | Transmission and Control Therefor | |
| 3,064,497 | Nov. 20, 1962 | A.I. Zagar | Extensible tool supporting arm for drill and tap drive heads | tapping machines |
