| All Patents in class 74/665.0GA |
Patents 1 -
10
of 13
      |
| Picture | Number | Date | Patentee | Title |
 | 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 |
| | 343,937 | Jun. 15, 1886 | B.D. Whitney | Gearing |
| | 733,719 | Jul. 14, 1903 | W. Goers, F.A. Kehl | Multiple-drill attachment for drill presses |
| | 931,761 | Aug. 24, 1909 | E. Henrikson | Gearing |
 | 1,696,468 | Dec. 25, 1928 | J.F. Buhr | Multiple-spindle drill head |
 | 2,368,151 | Jan. 30, 1945 | W.M. McConnell | Lathe carriage drive |
 | 2,549,490 | Apr. 17, 1951 | G.H. Kuhl | Multiple spindle drill gearing |
 | 2,622,454 | Dec. 23, 1952 | C.A. Boehm | Auxiliary transmission mechanism for milling machines |
 | 2,742,797 | Apr. 24, 1956 | J.A. Perham | Multi-spindle portable power-operated tool |
