| All Patents in class 409/61 |
Patents 16 -
24
of 24
      |
| Number | Date | Patentee | Title | Type |
| 744,110 | Nov. 17, 1903 | C.D. Rice | Gear Cutting Machine | gear making machines |
| 766,245 | Aug. 02, 1904 | F. Hardinge | Automatic gear cutting machine | gear making machines |
| 844,729 | Feb. 19, 1907 | W.A. Jordan | Gear-cutting machine | gear making machines |
| 867,189 | Sep. 24, 1907 | H.M. Darling | Gear-cutting mechanism | gear making machines |
| 874,754 | Dec. 24, 1907 | E.J. Flather | Indexing mechanism | gear making machines |
| 894,508 | Jul. 28, 1908 | W.F. Groene, R.K. Blond | Milling-machine | milling machines |
| 2,261,052 | Oct. 28, 1941 | A.L. Krause, E.E. Coffin | Machine Tool | milling machines |
| 3,038,280 | Jun. 12, 1962 | W. Dralle | Internal Stock Divider | grinding attachments |
| 3,521,524 | Jul. 21, 1970 | R.A. Wassdorp, E.J. Hunkeler | Control Apparatus for Checking and Controlling Sequential Machine Operations | machine tool controls |
