| All Patents in class 409/11 |
Patents 1 -
9
of 9
      |
| Picture | Number | Date | Patentee | Title |
 | 510,122 | Dec. 05, 1893 | F.L. Eberhardt, U. Eberhardt, H.E. Eberhardt | Gear-cutting and hobbing machine |
| | 600,544 | Mar. 15, 1898 | F.J. Mathein | Gear Cutter |
| | 978,113 | Dec. 06, 1910 | P. Catucci | Hobbing gear-cutter |
 | 1,143,570 | Jun. 15, 1915 | F. Burgess | Gear hobber |
| | 2,183,362 | Dec. 12, 1939 | G. Davenport, W.F. Zimmermann | Roller Bearing Mounted Work Table |
| | 2,183,363 | Dec. 12, 1939 | W.F. Zimmermann | Work Table |
| | 2,330,168 | Sep. 21, 1943 | W.F. Zimmermann | Hobbing Machine |
 | 2,495,927 | Jan. 31, 1950 | F.R. Francis | Lathe machine |
 | 5,634,250 | Jun. 03, 1997 | V. Mihailovic | Hobbing Accessory for Vertical Milling Machine |
