| All Patents in class 409/15 |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 2,374,250 | Apr. 24, 1945 | W.F. Zimmermann | Worm Gear Hobbing Machine | gear hobbing machines |
| 2,374,255 | Apr. 24, 1945 | G. Davenport | Control for Machine Tools | machine tool controls |
| 2,374,258 | Apr. 24, 1945 | G. Davenport | Infeed Control for Worm Gear Hobbing Machines | machine tool controls |
| 2,419,726 | Apr. 29, 1947 | H. Pelphrey | Automatic Worm Gear Hobbing Machine | gear making machines |
| 2,927,509 | Mar. 08, 1960 | A.D. Moncrieff | Loading Mechanism and Control Circuit Therefor | workpiece changers and storage mechanisms |
| 3,146,676 | Sep. 01, 1964 | E.O. Carpenter | Machine Tool Control Mechanism | machine tool controls |
